What are the signs I am using too much retinoid too soon?

The main warning signs are burning, persistent redness, and stinging. If these occur, pause for a few days, focus on gentle cleansing and moisturizing, and restart at a lower frequency once skin has recovered.

What is the mildest retinoid to start with?

Retinyl palmitate is the mildest retinoid. For OTC use, a low-percentage retinol (0.01–0.25%) is the most common gentle starting point. Bakuchiol is a plant-derived alternative with similar benefits and significantly less irritation.

How long before I see results from a retinoid?

Improvements in acne and skin texture may appear once consistent nightly use is tolerated, around weeks 8–12. Anti-aging results such as reduced fine lines typically require 3–6 months of consistent use.

Can I use retinol and vitamin C together?

Yes, but at different times. Use vitamin C in the morning and your retinoid at night. Layering multiple actives in the same routine increases irritation risk and makes it harder to identify the cause of a reaction.

Is retinol safe for sensitive skin or rosacea?

It can be challenging. Start with the lowest available strength and the slowest schedule. Bakuchiol is a well-tolerated alternative that has shown similar efficacy to retinol with less irritation in clinical studies, and is a strong option for rosacea or eczema-prone skin.

Can I use retinol if I am pregnant or breastfeeding?

No. Retinoids — including OTC retinol — are contraindicated during pregnancy and breastfeeding. Discontinue use and consult your OB-GYN or dermatologist. Bakuchiol may be a safer alternative but should also be discussed with your physician first.

What is the difference between retinol and tretinoin?

Tretinoin (retinoic acid) is the active prescription form that binds directly to skin receptors and is the most studied retinoid. Retinol is an OTC option requiring two conversion steps in the skin, making it less potent but far less irritating. Both are effective; tretinoin is considered the gold standard for photoaging and acne.

The Skin Editorial

How to Start a Retinoid (Dermatologist Step-by-Step Guide)

Q: Should I apply moisturizer before or after retinoid?

After. Apply a pea-sized amount of retinoid to clean, dry skin first, then follow with moisturizer. Applying moisturizer first reduces absorption and effectiveness. Buffering (moisturizer first) is only recommended for very sensitive skin.

Q: Do I need to wear sunscreen while using a retinoid?

Yes. Daily broad-spectrum sunscreen is non-negotiable year-round, even on cloudy days. Retinoids increase sun sensitivity by accelerating cell turnover and thinning the protective outer skin layer.

By Heather D. Rogers, MD, FAAD, Double Board-Certified Dermatologist

Retinoids are one of the most effective skincare ingredients available to improve skin texture, tone, acne and signs of aging. But starting too fast is the most common mistake. To succeed, prep your skin barrier first, start with a low strength, apply a pea-sized amount at night and increase frequency gradually over 8-12 weeks and wear sunscreen daily.

This dermatologist guide outlines exactly how to prepare your skin, choose the right retinoid, and build tolerance safely for long-term results without unnecessary irritation.

Preparing Your Skin for a Retinoid

You cannot successfully start a retinoid until your skin barrier is healthy. If your skin is irritated or inflamed, retinoids will not go well. The first step is establishing a gentle, consistent routine that supports the skin barrier before introducing a turnover ingredient.

Morning Routine Before Starting a Retinoid

Splash with water: Do not use cleanser unless skin is oily. Overwashing strips protective oils that maintain the barrier.
Pat dry: Use a clean towel and avoid friction.
Apply morning treatment (optional): Use a vitamin C serum only if skin is calm and not inflamed. Skip if skin feels irritated or sensitive.
Apply moisturizer: Choose a nourishing formula that supports the barrier with lipids and calming ingredients. Look for squalane, niacinamide, and centella asiatica. Petrolatum can reduce water loss but does not help rebuild the barrier itself. Drier or sensitive skin requires heavier moisturizers.
Apply sunscreen: Daily sun protection prevents collagen breakdown and reduces irritation risk when starting retinoids.

Evening Routine Before Starting a Retinoid

Cleanse gently: Use a non-exfoliating cleanser without fragrance, dyes, or harsh surfactants. Use warm, not hot, water and do not scrub.
Apply Moisturizer: Use the same moisturizer as morning or a heavier one at night. Apply to the face, neck, chest, and around eyes.

The goal of this preparation phase is to strengthen the skin barrier and eliminate unnecessary irritants before introducing a retinoid. Avoid using exfoliating acids, scrubs or multiple active products during this time.

Choosing the Right Retinoid

Retinoids are vitamin A derivatives that influence gene expression in skin cells via retinoic acid receptors.

Different retinoid forms vary in strength, conversion steps, and irritation potential.

Skin type plays an important role in retinoid tolerance. Thin, dry, or sensitive skin absorbs more and irritates more easily than thicker or oily skin. Start lower if dry or sensitive.

Retinoid Strength Spectrum

Retinyl Palmitate (Least Strong): Requires multiple conversions to become active. Mild and primarily antioxidant. Safe and naturally stored in skin.
Retinol: Converts to retinaldehyde then retinoic acid. Common OTC option (0.01–1%). Effective with moderate irritation risk.
Retinaldehyde: One conversion step to active form. Often stronger than retinol but similarly tolerated.
Retinoic Acid (Tretinoin): Active form that binds receptors directly. Most studied and most irritating.
Bakuchiol: Not a retinoid but provides similar benefits with less irritation.

Delivery Matters

Retinoids exist in many formats like serums, creams and oils.

Using a separate retinoid product rather than one embedded in a moisturizer allows better control over dosage, adjust frequency, and pause if needed.

Strength and Percentage

A higher percentage is not always better and can cause harm if your skin cannot tolerate it.

Choose the strength that agrees with your skin and use it consistently. Typical starting points in practice: many women ~0.25% retinol and many men ~0.5% retinol. As we age our skin becomes thinner and less oily and you will need to decrease your dosage as more is being absorbed.

How to Apply a Retinoid

Retinoids should be applied at night to clean, dry skin using a pea-sized amount for the entire face, followed by a moisturizer to reduce irritation.

Why Apply at Night

Retinoids increase cell turnover so new skin needs protection and retinoids are degraded by sunlight, becoming less effective when applied during the day.

Cleansing Before Application

Avoid hot water, scrubbing, or exfoliation when applying a retinoid. Damaging the skin barrier before application increases the risk of irritation.

Moisturizer Before or After Retinol

Applying moisturizer before retinol reduces absorption and effectiveness. Instead, use the correct strength, use a small amount, and apply moisturizer after retinol. “Buffering” (applying a moisturizer first) is generally only needed for very sensitive skin that cannot tolerate retinoids otherwise.

How Much to Use

Use a pea-sized amount for the entire face. Dot small amounts on forehead, cheeks, nose, and chin and spread gently. Avoid the corners of the eyes, nose and mouth when first starting a retinoid, as those areas are more prone to irritation.

How Often to Start

When starting a retinoid, start low and slow, gradually increasing frequency to allow the skin to build tolerance.

A step-by-step retinoid schedule can help the skin adjust safely.

Weeks 1-2: Apply twice weekly.
Weeks 3-4: Apply every other night.
Weeks 5-6: Increase frequency as tolerated.
Weeks 8-12: Skin tolerance typically established.

Real visible results begin once consistent nightly use is tolerated, including improvements in skin texture, acne and fine lines.

Retinoids for Sensitive Skin

Some patients cannot tolerate retinoids even with careful introduction. People with rosacea, eczema, very dry skin or a compromised skin barrier may experience irritation despite using low strengths or slow schedules.

Bakuchiol as an Alternative

Bakuchiol is a plant-derived, gentle alternative to retinoids, that activates similar pathways with less irritation.

Benefits include

Similar improvements in wrinkle and skin tone improvement in some clinical studies
Antioxidant effects
Anti-inflammatory activity
Stability in sunlight,
Better tolerance for rosacea, eczema, and sensitive skin.

In a 12-week clinical study comparing 0.5% bakuchiol vs 0.5% retinol, both ingredients showed similar improvements in reducing wrinkle surface area and hyperpigmentation but the bakuchiol group experienced less irritation, even when used twice a day.

Monitoring Your Skin

When starting, it is important to regularly assess how your skin is tolerating the retinoid.

Signs you are pushing too hard include

Burning
Persistent redness
Stinging

If these symptoms occur, pause retinoid application for a few days, then restart at lower frequency and with a smaller amount once the skin has recovered.

Patch testing can help identify irritation before applying to the entire face.

Apply a small amount of product behind ear or inside arm and observe the area for 24 - 48 hours. If significant redness, burning or irritation occur, the product may be too strong for your skin.

Sunscreen Is Mandatory

Retinoids increase sun sensitivity because they accelerate skin cell turnover and thin the outer layer of dead cells that normally help protect the skin.

Because of this, it is essential to use a daily broad-spectrum sunscreen year-round, even on cloudy days or winter months. Without consistent sunscreen use, retinoids may increase the risk of sunburn or worsen hyperpigmentation.

What to Expect

When starting a retinoid, the skin often goes through an adjustment period as cell turnover increases and the skin builds tolerance.

Early Use

Healthy skin should tolerate initial applications with minimal stinging that resolves after applying a moisturizer.

If significant irritation occurs, such as burning, persistent redness or severe peeling, stop using the retinoid temporarily. Cleanse the skin gently, apply a moisturizer, and restart later at lower frequency once the skin has recovered.

The Retinoid Purge

Increased cell turnover from retinoid use may temporarily cause flaking, breakouts, and redness.

This is temporary and typically improves as skin adjusts to regular retinoid use.

Potential Side Effects

Retinoids are highly effective but can cause temporary side effects, especially during the first few weeks of use while the skin adjusts, such as

Irritation: dryness, redness, peeling during early use. These symptoms usually improve as the skin builds tolerance.
Hyperpigmentation: Post-inflammatory hyperpigmentation can occur if the skin becomes overly irritated, particularly in darker skin tones.
Photosensitivity: Increased sunburn risk due to retinoids accelerating cell turnover. Daily sunscreen use is essential when using retinoids.

If severe irritation occurs, such as burning or persistent redness, pause retinoid use, focus on gentle cleansing and moisturization. Then restart at a lower frequency once the skin barrier recovers.

If Retinol Is Still Too Irritating

If your skin continues to experience significant irritation despite using a low-strength retinoid and a gradual schedule, alternative options include

Buffering with a moisturizer
Encapsulated retinol
Switching to Bakuchiol
Using alpha hydroxy acids (AHAs)

Using Retinoids With Other Actives

When incorporating retinoids into a skincare routine, gradually introduce other actives one at a time. Adding multiple actives simultaneously can increase risk of irritation and make it difficult to determine which ingredient is causing a reaction.

A simple effective routine is to use vitamin C in the morning and a retinoid or turnover treatment in the evening. Rarely is more than one active ingredient needed in a single routine.

Combining With Common Actives

Salicylic acid: Use in the morning for oily skin if needed.
Benzoyl peroxide: Use morning or alternate nights.
Hydroquinone: Use prescription combinations instead of retinol at night.

Final Takeaway

Retinoids are one of the most effective tools for maintaining healthy, youthful skin, but success depends on preparation, correct strength, and patience.

Build a strong skin barrier first, start slowly, and adjust based on tolerance.

When introduced thoughtfully, retinoids deliver long-term improvements in skin clarity, texture, and collagen support.

A consistent morning antioxidant and evening turnover treatment are usually all most people need for excellent skin.

Frequently Asked Questions About Starting a Retinoid

As a practicing board-certified dermatologist, these are the questions I get asked the most about starting a retinoid.

How often should I apply a retinoid when starting out?

Start twice a week for the first two weeks, then every other night for weeks three and four, increasing as tolerated. Most people establish full tolerance by weeks 8–12.

Should I apply moisturizer before or after retinoid?

After. Applying moisturizer first reduces absorption and effectiveness. Use a pea-sized amount, then follow with moisturizer.

What are the signs I'm using too much too soon?

Burning, persistent redness, and stinging. If these occur, pause for a few days and restart at a lower frequency once skin has recovered.

Do I need to wear sunscreen while using a retinoid?

Yes, a daily broad-spectrum sunscreen is non-negotiable year-round, even on cloudy days.

References

Kang S, Voorhees JJ. Topical retinoids in the treatment of photoaging. J Am Acad Dermatol. 2001;44(1 Suppl):S3-10. doi:10.1067/mjd.2001.109964

Mukherjee S, Date A, Patravale V, Korting HC, Roeder A, Weindl G. Retinoids in the treatment of skin aging: an overview of clinical efficacy and safety. Clin Interv Aging. 2006;1(4):327-48. doi:10.2147/ciia.2006.1.4.327

Fisher GJ, Wang ZQ, Datta SC, Varani J, Kang S, Voorhees JJ. Pathophysiology of premature skin aging induced by ultraviolet light. N Engl J Med. 1997;337(20):1419-28. doi:10.1056/NEJM199711133372003

Kafi R, Kwak HS, Schumacher WE, Cho S, Hanft VN, Hamilton TA, et al. Improvement of naturally aged skin with vitamin A (retinol). Arch Dermatol. 2007;143(5):606-12. doi:10.1001/archderm.143.5.606

Leyden J, Stein-Gold L, Weiss J. Why topical retinoids are mainstay of therapy for acne. Dermatol Ther (Heidelb). 2017;7(3):293-304. doi:10.1007/s13555-017-0185-2

Dhaliwal S, Rybak I, Ellis SR, Notay M, Trivedi M, Burney W, et al. Prospective, randomized, double-blind assessment of topical bakuchiol and retinol for facial photoageing. Br J Dermatol. 2019;180(2):289-296. doi:10.1111/bjd.16918

Zaenglein AL, Pathy AL, Schlosser BJ, Alikhan A, Baldwin HE, Berson DS, et al. Guidelines of care for the management of acne vulgaris. J Am Acad Dermatol. 2016;74(5):945-973.e33. doi:10.1016/j.jaad.2015.12.037

American Academy of Dermatology Association. Position statement on vitamin A and retinoids. Available at: aad.org.

About the Author: Dr. Heather D. Rogers, MD

Dr. Heather D. Rogers, MD is a double board-certified procedural dermatologist and Mohs surgeon and the co-founder of Modern Dermatology in Seattle, where she sees patients full-time. She is nationally recognized for her expertise in skin health, aging, and skin cancer prevention, and for her clear, evidence-based skincare guidance. Dr. Rogers serves on the American Academy of Dermatology Media Team, the Credo Beauty Council, the Sorette for Motherhood Scientific Advisory Board, and the NewBeauty Brain Trust.

She is the founder of Doctor Rogers Skincare, a dermatologist-developed line reflecting her less-is-more, science-backed approach to healthy skin. Dr. Rogers is a graduate of Stanford University, the University of Washington School of Medicine, and completed her dermatology training at Columbia University Medical Center.

Instagram: @drheatherrogers
Practice: mdinseattle.com
Skincare: doctorrogers.com

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