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Very Dry / Dehydrated Skin
If you find your skin is often chapped, scaly and uncomfortably tight, you may have very dry skin.
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Most commonly caused by damage to the skin’s natural barrier, those with this skin type have difficulty regulating normal skin moisture levels.
The hydration levels in our skin are regulated by its outermost layer (also known as the stratum corneum). Luckily, this layer of skin is flexible, absorbent, adaptable and capable of regeneration. Those with very dry skin tend to be older or have a history of eczema.
Skin TipsTo help restore your skin barrier and natural glow, gently cleanse using mild cleansers and moisturize regularly. Cleansers should have a low pH that matches the acidic pH of skin. These cleansers have been found to optimize skin barrier function and help to trap moisture in the skin, while being gentle on skin.
Your environment may also play a factor, so try using a humidifier and avoiding long hot baths and showers. Dry and/or cold conditions can exacerbate very dry skin.
Signs- Dull complexion
- Deeper wrinkles
- Tight, irritated skin
- Flakey patches and itchiness
- Feels tight after washing
- Small pores
- Not acne and blackhead-prone
Skincare Recommendations for Very Dry Skin
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Normal to Dry Skin
If you skin treats you well, don’t forget to treat it well!
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Usually, a daily skincare routine is focused on optimizing moisture balance, reducing blemishes, or evening skin tone and texture. If you're lucky enough to have normal - dry skin, a daily routine is about maintaining the natural balance that you have. And preventing future issues.
Skin TipsSunscreen is a must. While your skin may be balanced, it is not immune from the effects of sun damage. Many dermatologists recommend selecting sunscreens with an SPF of 30 or higher for daily use and 50 or so for a day at the beach. Always look for “broad spectrum” sunscreens. This term is intended to describe products that offer protection against both UVA and UVB rays.
As we age, our skin tends to become drier. Individuals with normal skin in their 20s and 30s generally have drier skin in their 40s as the skin’s natural defence mechanisms become less effective. Using a moisturizer daily is vital for keeping your skin properly hydrated.
Signs- Even complexion
- Balanced moisture, if slightly dry
- Few blemishes and breakouts
- Smaller pores
Skincare Recommendations for Normal to Dry Skin
Find your Skin Type
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While our favourite star gives us a lot of incredibly useful benefits – it triggers the body’s production of crucial Vitamin D, helps stave off depression, and enhances our overall mood – it does come with some dangers too, particularly for our skin. And these dangers come in the form of UV-rays.
3 types of UV-rays
There are three types of UV-rays produced by the sun: UVC, UVB, and UVA. They all differ in terms of wavelength, how significantly they affect living cells (biological activity), and how deep they penetrate the skin.
UVC-rays
Generally speaking, shorter wavelengths, or UVC rays, are highly active and more harmful to the skin, despite not penetrating as deeply. However, thanks to our trusty ozone layer, they are completely filtered out by the earth’s atmosphere.
UVB-rays
Medium-wavelength UVB-rays are also incredibly active, however they too are unable to penetrate beneath the superficial layers of the skin. The rays responsible for sunburns and tans, UVBs are mostly filtered out by the atmosphere and can’t pass through glass, clothing, or clouds. Though don’t take them lightly, UVB-rays are also responsible for some of the most common forms of skin cancer.
UVA-rays
Accounting for about 95% of the sun’s radiation, UVA-rays penetrate deep below the skin’s surface and can pass through glass, as well as some clothing. UVAs cause that instantly tanned glow we all know and love but they also contribute to the most visible signs of skin aging including wrinkles, uneven skin pigmentation (melasma), and spider veins. In fact, 90% of visible skin aging is caused by the sun’s rays and the majority of those are UVAs. Scarier still, they’re also the main culprits in the development of some types of skin cancers.
What exactly is SPF?
The Sun Protection Factor – or SPF as we all know it – is a measure of how well a sunscreen protects against UVB-rays. Also an important thing to note: it ONLY protects against UVB rays.
Technically speaking, SPF is the ratio between the time it takes for skin reddening (or that first inkling of a sunburn) to start on skin protected with sunscreen compared with unprotected skin under the same conditions. For example, if it takes 20 minutes with no protection to start showing signs of a sunburn, a sunscreen with SPF 15 might prevent that reddening 15 times longer — so, about five hours.
Unfortunately, this is only a theoretical ratio. In real-life we can’t just take the SPF number as a measure of “time protected” as there are a lot of other factors that impact how long you’re protected with sunscreen, like hair colour, skin tone, hydration, previous sun exposure, and even eye colour. The right combination of these factors can significantly reduce your five-hour window down to as little as 30 minutes.
Both the Canadian Cancer Society and The Skin Cancer Foundation say a rating of SPF 15 means the product is tested to block 93% of UVB rays, while an SPF 30 blocks 97%. While an SPF 50 blocks out 98% and SPF 110 blocks 98.9%
And those crazy SPF 110 sunscreens? They actually only block about 98.9 percent of UVB rays9. So as you can see,there is only a negligible difference in real protection as SPF levels increase. Thankfully, Health Canada and the FDA now recognize the misleading labels and have recently capped the maximum SPF level for new sunscreens at 50. If a sunscreen has a sun protection factor beyond 50, it has to be labeled as SPF 50+.
To recap, it’s not only the UVB radiation that our skin needs protection from. Both UVB and UVA-rays can bring some serious health implications. That’s why it’s so important for us to choose a sunscreen that protects us from both. But, how do we know for sure?
What types of sunscreens are out there?
While some manufacturers are getting creative with their labeling, the surprising truth is that there are really only two types of sunscreens: chemical and physical.
Chemical sunscreens
These use manmade sun filters that act by absorbing UV energy like a sponge and converting it to heat that gets dispersed into the skin. These types of sunscreens are also referred to as “organic” or “synthetic” and their active ingredients have long, anxiety inducing names like “octocrylene”, and “oxybenzone”. But don’t let those scare you. These chemicals are very effective at protecting our skin from UV radiation having been thoroughly studied and deemed safe by Health Canada and the US Food & Drug Administration.
Physical sunscreens
These work by reflecting the UV rays, bouncing them away from the skin. They are also sometimes referred to as “inorganic”, “mineral” or “natural”. While physical sunscreens use naturally derived zinc and titanium as their active ingredients, they are intensely processed before they can be used in a sunscreen. In the case of water resistant “natural” sunscreens, each mineral molecule has to be coated with chemical layers of polymer or silica to make sure it remains on the skin after swimming or sweating. Often times, “natural” sunscreens go through almost as much processing their chemical counterparts.
Chemical sunscreens – AKA organic or synthetic sunscreen
The presence of any of these filters means the sunscreen is at least in some part a member of a chemical sunscreen:
- Octylcrylene
- Avobenzone
- Octinoxate
- Octisalate
- Oxybenzone
- Homosalate
- Helioplex
- 4-MBC
- Mexoryl
- Tinosorb
- Uvinul
Physical sunscreen – AKA natural, mineral, or inorganic sunscreen
The presence of any of these filters means the sunscreen is at least in some part a member of a chemical sunscreen:
- Zinc
- Titanium
Riversol carries two types of physical (or mineral) sunscreen: SPF 30 Lightweight Broad Spectrum Sunscreen (which comes in three shades) and the SPF 40 Weightless Body Sunscreen
Cosmetic appearance and usability of physical (mineral) sunscreen
When it comes to physical sunscreen, one of the most common complaints a dermatologist hears is in regards to thickness. While they’ve come a long way, the physical sunscreens of yesteryear left behind a chalky, white residue (think: lifeguards with white cream on their nose). This is because the sun filter particles responsible for protecting our skin are traditionally quite large in size, resulting in an ashy, grey film that gets left on the skin’s surface.
A promising development in this area has been the integration of nanoparticles in the sunscreen. Nanoparticles are tiny – around 15nm (that's 0.0000015 millimeters or 15 billionths of a meter!). Using particles that small really ups the spreadability factor, as well as the transparency of sunscreen formulations (preventing the opaque, ashy residue that has plagued physical sunscreens – and lifeguards – for so long). Studies have also found that reducing sun filter particles down to nano-size can help improve their protective ability because they can better disperse UV radiation.
In North America, nanoparticles are a relatively new feature in sunscreens mostly because they were so widely misunderstood. At one time, it was believed that these particles were so small that they could be transferred into our bloodstream through the skin and accumulate in our bodies, poisoning us.
Thankfully that notion was widely disproven through various studies in the early 2000’s, which found that nano-sized sun filters could not penetrate the skin in any significant quantity. Like many cosmetic ingredients, the only danger that nanoparticles pose to human health is in the manufacturing process, where they could be inhaled if airborne (and the correct personal protective equipment isn’t being worn).
In terms of usability, physical sunscreens have a major advantage over chemical sunscreens, in that they take effect immediately. Physical sunscreens don’t require time to absorb before becoming effective, they simply sit on the surface of the skin and reflect UV radiation. Chemical sunscreens require time to bind to the skin before they become effective, usually between 20-30 minutes.
Protection levels of chemical sunscreens
Until the 1990s, commercially available chemical sunscreens were only effective against UVB radiation. That meant that the UVA radiation (which causes visible signs of aging and some forms of skin cancer) was still getting through the skin’s surface. It wasn’t until the introduction of a chemical filter called avobenzone that the protection changed into the UVA spectrum for chemical sunscreens available now.
While avobenzone still offers the best UVA protection, it has one major flaw: photostability. On its own, avobenzone loses its effectiveness by 50% every half-hour that it’s exposed to sunlight and requires other UV filters such as octocrylene and/or oxybenzone to help stabilize it. This creates a big advantage for physical sun filters which offer broad spectrum protection (covering both UVA and UVB), with increased photostability.
Tolerance for sensitive skin
For individuals with sensitive skin, physical sun filters cause lower allergic reactions and sensitivity, which means less skin irritation than chemical UV filters (making it a great addition to children’s sunscreen). While chemical sun filters act like a sponge absorbing UV photons, they can release free-radicals as a by-product and consequently cause some damage to collagen, elastin or skin cell DNA.
Will sunscreen stop me from getting Vitamin D?
At one time, it was thought that the use of sunscreen would reduce vitamin D production in our bodies significantly. The idea was that as vitamin D requires UV radiation to activate, we wouldn’t have enough vitamin D if we were using sunscreen to block all of the UV radiation from our skin.
However, recent studies have proven this to be untrue. Despite our best efforts, we don’t cover every single square centimeter of our skin when applying sunscreen. What’s more, we often don’t use enough. Most consumers only apply between 25% and 50% of the recommended 30ml of sunscreen per whole-body application. That makes those inevitably unprotected areas fully available for vitamin D activation.
It’s also another important reminder that sunscreens don’t block all UV radiation. Even SPF 50 only blocks 98% of UV radiation, letting some rays through to help our bodies produce that much needed vitamin D.
Water resistant vs. waterproof sunscreens
While there is no such thing as a waterproof sunscreen, according to Health Canada and the FDA, these are the only two ways that a sunscreen producer can legally talk about the water resistance of a new sunscreen.
- Water resistant (effective for up to 40 minutes in water)
- Very water resistant (effective for up to 80 minutes in water)
Essentially, they’re telling us that the sunscreen provides protection while swimming or sweating up to the time listed on the label. Similarly, products may carry a "sweat resistant" or "very sweat resistant" claim if the parameters for "water resistance" or "very water resistant" testing (respectively) have been met.
Sunscreen manufacturers are actually now banned from claiming that a sunscreen is "waterproof" or "sweat proof," as Health Canada and the FDA have determined those terms to be misleading. A good thing to note, even when using a water-resistant sunscreen, you should reapply after getting out of the water or after sweating.
Sunscreen vs. sunblock
Historically, the word “sunscreen” was used for products that contain chemical ingredients that absorb and breakdown UV rays, while “sunblock” was used for those with natural, mineral filters like zinc or titanium. However, the new rules from Health Canada has ruled that the term “sunblock” is also misleading and can no longer be used, making sunscreen the generic term for all types of sun protection.
At the end of the day, the most important thing you can do for your skin is to protect it with an effective sunscreen and re-apply it regularly, especially after swimming or sweating excessively.
If you’re still unsure about which type of sunscreen/SPF level is right for you or if you have sensitive skin, consult your dermatologist to help you find the one that’s best.
References
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- World Health Organization (2015) Ultraviolet radiation and the INTERSUN Programme http://www.who.int/uv/faq/whatisuv/en/index2.html
- Gustorff, Sycha, Lieba-Samal, Rolke, Treede and Magerl. (2013). The pattern and time course of somatosensory changes in the human UVB sunburn model reveal the presence of peripheral and central sensitization. Pain: 154(4) 586-97
- World Health Organization (2015) Ultraviolet radiation and the INTERSUN Programme http://www.who.int/uv/faq/whatisuv/en/index2.html
- Šitum, Buljan, Ĉavka, Bulat, Krolo and Mihić (2010) Skin changes in the elderly people – How strong is the influence of the UV radiation on skin aging? 34(2)
- Guercio-Hauer, Macfarlane, Deleo (1994). Photodamage, photoaging and photoprotection of the sking. American family physician:50(2):327-32, 334
- Marionnet, Pierrrard, Colebiewski and Bernerd (2006) Diversity of biological effects induced by longwave UVA rays (UVA1) in reconstructed skin. PLoS ONE:9(8)
- Skin Cancer Foundation: Lim and Wang (2012). The Skin Cancer Foundation's Guide to Sunscreens. Retrieved from http://www.skincancer.org/prevention/sun-protection/sunscreen/the-skin-cancer-foundations-guide-to-sunscreens
- Mitchell, Smith, & Wang. (1998). Iris color, skin sun sensitivity, and age-related maculopathy: The blue mountains eye study. Ophthalmology, 105(8), 1359-1363
- Canadian Cancer Society (2017). Overview: Reduce cancer risk – What you can do. Retrieved from http://www.cancer.ca/en/prevention-and-screening/live-well/overview/?region=on
- Health Canada (2017). Sunscreen Monograph v 2.0. Retrieved from http://webprod.hc-sc.gc.ca/nhpid-bdipsn/atReq.do?atid=sunscreen-ecransolaire&
- Manaia et al (2013) Inorganic UV Filters Braz. J. Pharm. Sci. vol.49 no.2
- Puccetti G (2015) Water-resistant sunscreens for skin protection: an in vivo approach to the two sources of sunscreen failure to maintain UV protection on consumer skin. Int J Cosmet Sci 37(6): 613-619
- Hunter & Trevino (2004) Film-formers enhance water resistance and SPF in sun care products Cosmetic & Toiletries Magazine 119(7):51-56
- Manaia et al (2013) Inorganic UV Filters Braz. J. Pharm. Sci. vol.49 no.2
- ALLEN, N.S.; EDGE, M.; ORTEGA, A.; LIAUWA, C.M.; STRATTONB, J.; MCINTYRE, R.B. (2002) Behaviour of nanoparticle (ultrafine) titanium dioxide pigments and stabilisers on the photooxidative stability of water based acrylic and isocyanate based acrylic coatings. Polym. Degrad. Stab., v.78, n.3, p.467-478.
- ALLEN, N.S.; EDGE, M.; ORTEGA, A.; LIAUWA, C.M.; STRATTONB, J.; MCINTYRE, R.B. Behaviour of nanoparticle (ultrafine) titanium dioxide pigments and stabilisers on the photooxidative stability of water based acrylic and isocyanate based acrylic coatings. Polym. Degrad. Stab., v.78, n.3, p.467-478, 2002.
- GAMER, A.O.; LEIBOLD, E.; VAN RAVENZWAAY, B. (2006) The in vitro absorption of microfine zinc oxide and titanium dioxide through porcine skin. Toxicol. In Vitro, v.20, n.3, p.301-307.
- JIN, C.Y.; ZHU, B.S.; WANG, X.F.; LU, Q.H.(2008) Cytotoxicity of titanium dioxide nanoparticles in mouse fibroblast cells. Chem. Res. Toxicol., v.21, n.9, p.1871-1877.
- Serpone et al (2005) Inorganic and organic UV filters: Their role and efficacy in sunscreens and suncare product Inorganica Chimica Acta 360(3): 794-802
- Lim HW, Wang, SQ (2012) The Skin Cancer foundation's Guide to Sunscreens. The Skin Cancer Foundation Website. Accessed online from: http://www.skincancer.org/prevention/sun-protection/sunscreen/the-skin-cancer-foundations-guide-to-sunscreens
- WANG, S.K.; BALAGULA, I.; OSTERWALDER, U. (2010) Photoprotection: a review of the current and future technologies.Dermatol. Ther., v.23, n.1, p.31-47
- CHOI, Y.G.; LEE, J.H.; BAE, I.H.; AH, Y.C.; KI, H.M.; BAE, J.H.; PARK, Y.H.; LEE, K.C.; LIM, K.M. (2011) Titanium dioxide inclusion in backing reduce the photoallergenicity of ketoprofen transdermal patch. Arch. Toxicol., v.85, n.3, p.219-226.
- SERPONE, N.; DONDI, D.; ALBINI, A. (2007) Inorganic and organic UV filters: their role and efficacy in sunscreens and suncare products. Inorg. Chim. Acta, v.360, n.3, p.794-802
- JAIN, S. K.; JAIN, N.K. (2010) Multiparticulate carriers for sun-screening agents. Int. J. Cosmet. Sci., v.32, n.2, p.89-98, 2010.
- Neale, R, Williams, G, Green, A. (2002) Application patterns among participants randomized to daily sunscreen use in a skin cancer prevention trial. Arch Dermatol. Oct; 138, 1319-1325.
- NORVAL, M.; WULF, H.C. Does chronic sunscreen use reduce vitamin D production to insufficient levels? Br. J. Dermatol., v.161, n.4, p.732-736, 2009
- Health Canada (2017). Sunscreen Monograph v 2.0. Retrieved from http://webprod.hc-sc.gc.ca/nhpid-bdipsn/atReq.do?atid=sunscreen-ecransolaire&
- Health Canada (2017). Sunscreen Monograph v 2.0. Retrieved from http://webprod.hc-sc.gc.ca/nhpid-bdipsn/atReq.do?atid=sunscreen-ecransolaire&
Combination Skin
Combination skin can never make up its mind. Between an oily T-zone and dry cheeks, it seems like you have the worst of both.
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Combination skin is marked by an oily T-zone (the “T” shaped area along your forehead, nose and chin) and dryness in other areas like your cheeks, temples and eye area.
While most people have combination skin to some degree since there are naturally more sebaceous glands around your nose than other areas, true combination skin is known for a consistently oily T-zone. Particularly active sebaceous glands overproduce sebum. This waxy substance helps keep skin moisturized, healthy and protected. Too much sebum can result in oily skin, acne and clogged pores. Meanwhile, if you have combination skin, the dry areas of your face require more natural moisture and may feel uncomfortably tight, flakey and irritated.
Skin TipsWhen it comes to combo skin, it’s all about balance. The goal is to find skin care products that balance out oil secretions while making sure your face is still properly hydrated. Generally a cleanser on the astringent side (like a gel cleanser or similar) will keep oil managed, while a rich moisturizer maintains hydration levels. Exfoliating every couple of weeks helps create even, long-lasting glow by promoting cellular turnover. Pay attention to what your skin needs depending on your environment, as combination skin can be variable.
Signs- Uneven complexion
- Shiny T-zone
- Large pores in the T-zone
- Acne/blackheads in T-zone
- Dry cheeks, eye area and temples
- Uncomfortably tight and irritated patches
Skincare Recommendations for Combination Skin
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Oily Skin
Have acne, clogged pores, and sometimes a bit too much natural glow? Read on for tips on how to deal.
Find your Skin Type
Not sure where to start and what your skin needs? Try our new quiz to find your perfect routine.
Oil is essential for keeping skin soft, healthy and glowing, but too much is too much. Over production of sebum, an oily substance created by sebaceous glands in the skin, is responsible for overly oily skin. This can cause clogged pores and may lead to acne, blackheads and blemishes. It's not all bad news though as oily skin is less likely to produce deep wrinkles. While oily skin is often caused by genetics, there are a few things you can do to control it.
Skin TipsStarting with the basics, choose an effective pH-balanced cleanser to unclog pores and remove excess oil. A mild AHA (alpha hydroxyl acid) or BHA (beta hydroxyl acid) wash or peel will help reduce some oil, along with any acne you might have.
While it might seem counterintuitive, it’s important to use a moisturizer to ensure your skin receives adequate hydration. Excessively using oil-control products can strip too much oil, resulting in your skin over-producing sebum again. Noncomedogenic moisturizers help combat dryness without causing clogged pores. Look for moisturizers with mattifying agents to control the appearance of oily skin.
Signs- Shiny, thick complexion
- Acne and blemish-prone
- Less likely to wrinkle
- Enlarged pores
Skincare Recommendations for Oily Skin
Find your Skin Type
Not sure where to start and what your skin needs? Try our new quiz to find your perfect routine.
Find your skin type
Firstly, what is your main skin concern?
If you've tried a Riversol sample, which skin type did you choose?
How would you describe your complexion?
Select the dry areas on your face.
You can tap as many areas as you like, or none if that's the case.
previous
Select the oily areas on your face.
You can tap as many areas as you like, or none if that's the case.
previousHow does your skin feel at the end of the day?
How does your skin generally feel after you wash your face?
Your skin type is:
Normal to Dry
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