What Are the Disadvantages of Retinol?

Reviewed by Dr. Jason Rivers, MD, FRCPC (August 2026)

• What Are the Disadvantages of Retinol?
• The Most Common Retinol Side Effects Explained
• Who Should Approach Retinol with Caution
• How Beta-Thujaplicin Solves Retinol's Biggest Disadvantages
• Frequently Asked Questions

What Are the Disadvantages of Retinol?

The disadvantages of retinol are real and worth understanding before you start. Retinol (a derivative of Vitamin A that accelerates cell turnover in the outer layer of skin, clinically known as the epidermis) is one of the most evidence-backed anti-aging ingredients available without a prescription. However, for many people, especially those with sensitive or rosacea-prone skin, the side effects cause them to give up before they see any benefit.

The American Academy of Dermatology notes that retinol and prescription-strength retinoids are among the most clinically validated topical treatments for fine lines, uneven skin tone, and textural irregularities. The evidence is strong. The tolerance challenge is equally real.

The Most Common Retinol Side Effects Explained

Dryness and Peeling

The most widely reported disadvantage of retinol is disruption of the skin's protective outer layer (the stratum corneum), leading to increased water loss through the skin (clinically known as transepidermal water loss, or TEWL). This manifests as visible flaking, tightness, and dryness, particularly in the first four to six weeks of use. The dermatological literature indicates that first-time retinol users frequently experience initial irritation, including redness, dryness, and peeling, before the skin adapts.

Redness and Stinging

Retinol can trigger a localised inflammatory response in sensitive skin, causing redness (clinically called erythema) and a burning or stinging sensation on application. In people with rosacea-prone skin, this can activate the underlying inflammatory cascade and worsen visible capillary reactivity. As of 2026, dermatologists increasingly recognise that standard retinol formulations are poorly tolerated by patients with baseline skin reactivity.

Increased Sun Sensitivity

Retinol accelerates cell turnover, which temporarily thins the uppermost skin layers and reduces their natural UV resistance. According to the American Academy of Dermatology, anyone using a retinoid or retinol should apply a broad-spectrum SPF 30 or higher every morning without exception. Skipping sun protection while using retinol is one of the most common mistakes that leads to worsening of photoaging and UV-induced oxidative stress.

The Retinization Period

The adjustment phase, commonly called "retinization," is a temporary period of heightened sensitivity as the skin adapts to accelerated cell turnover. Research published in the Journal of the American Academy of Dermatology confirms that a 0.3% retinol complex can deliver clinical benefits while producing manageable levels of initial skin response in patients who are guided correctly. The difficulty is that most users interpret early irritation as a sign to stop, losing any chance of reaching the long-term results.

Who Should Approach Retinol with Caution

Pregnancy and Nursing

Retinol is contraindicated during pregnancy and breastfeeding. The potential for systemic absorption of Vitamin A derivatives poses documented risks to fetal development. This applies to both prescription retinoids and over-the-counter retinol products. Always consult your physician before using any Vitamin A derivative if you are pregnant or nursing.

People with Active Eczema or Compromised Barrier Function

In patients with active eczema (atopic dermatitis) or a significantly compromised lipid barrier, retinol can further disrupt ceramide-rich barrier layers and increase TEWL. The result is often a flare rather than improvement. Barrier repair should be prioritised before introducing retinol in these cases.

Combination with Certain Actives

Combining retinol with glycolic acid on the same day compounds irritation risk substantially. Glycolic acid lowers skin surface pH and increases retinol penetration to levels the skin may not tolerate. A staggered approach, using each active on alternate evenings, is standard clinical guidance.

How Beta-Thujaplicin Solves Retinol's Biggest Disadvantages

Best Retinol for Sensitive and Rosacea-Prone Skin: Riversol Retinol Treatment

Hinokitiol, also known as Beta-Thujaplicin (Beta-T), is a naturally derived anti-inflammatory and antimicrobial compound extracted from the Western Red Cedar tree native to British Columbia. The Retinol Treatment by Riversol pairs 0.5% retinol with Beta-T specifically to intercept the inflammatory response that makes retinol intolerable for reactive skin types. Clinically formulated for sensitive and rosacea-prone skin, this approach actively works to reduce the dryness, erythema, and stinging that cause most people to abandon retinol during the retinization period.

Developed by Dr. Jason Rivers, MD, FRCPC, a board-certified dermatologist with decades of clinical experience treating rosacea and reactive skin, the formula also includes a Vitamin C Booster Complex to support collagen synthesis and address melanogenesis (the process that drives dark spots and uneven skin tone) alongside the retinol.

For people with reactive, rosacea-prone, or eczema-adjacent skin who still want the proven results of retinol, the Retinol Treatment is formulated specifically to address the inflammatory disadvantages that make standard retinol products unworkable for this group. Trusted by over 1,000,000 customers across Canada, formulated and manufactured in Canada.

Interested in trying Retinol Treatment?

Learn more

Frequently Asked Questions

Are There Any Negatives to Using Retinol?

Yes, the negatives of using retinol include dryness, peeling, redness, stinging, and increased sensitivity to sunlight, particularly during the first four to eight weeks. According to published research on adverse effects of retinoids, these reactions are most pronounced at higher concentrations and in individuals with a pre-existing compromised skin barrier. Most side effects are temporary and resolve as the skin adapts, provided the correct concentration and application frequency are used.

Is It Bad to Use Retinol Every Day?

For most beginners, daily retinol use introduces more irritation than the skin can manage, especially in the first month. A standard clinical approach is to start with two to three applications per week and increase frequency gradually only when the skin has shown it tolerates that level without persistent redness or flaking. As of 2025 to 2026, dermatologists broadly recommend this graduated introduction as the single most effective way to reduce early dropout from retinol use.

What Is the Rule of 3 for Retinol?

The rule of 3 refers to a common introductory protocol: apply retinol three nights per week for the first three months before increasing frequency. This gives the stratum corneum time to strengthen and adapt its lipid barrier without triggering a sustained inflammatory cascade. Some formulations designed for sensitive skin allow a slightly faster progression, but the principle of incremental exposure remains consistent across dermatological guidance.

Which Is Better, Vitamin C or Retinol?

Vitamin C and retinol target different aspects of skin ageing and work best when used together rather than as substitutes for each other. Vitamin C addresses UV-induced oxidative stress, free radical damage, and melanogenesis (brightening), while retinol drives collagen synthesis and accelerates cell turnover for texture and line reduction. For reactive skin, the practical answer is to use Vitamin C in the morning and retinol at night, on alternate days if sensitivity requires it, rather than choosing between them.