Retinol is one of the most talked-about ingredients in skincare, and also one of the most misused. Used well, it can support smoother-looking skin over time. Used too fast or too often, it can leave skin red, flaky and sore. If you have melanin-rich skin, irritation also matters because it can lead to dark marks.
This beginner’s guide explains what retinol is, how to introduce it slowly, and how to protect your skin while you do.
What is retinol?
Retinol is a type of vitamin A derivative, part of a family called retinoids. The American Academy of Dermatology notes that retinol is available over the counter, while stronger retinoids are prescribed. Retinoids are used to encourage skin renewal and are common in anti-aging and acne routines.
Retinol typically needs weeks to months of consistent use before you notice changes in texture or fine lines. It is not an overnight fix, and results are not guaranteed.
Who might want to use it?
People often use retinol for:
- Fine lines and uneven texture
- Clogged pores and some types of acne
- Dullness
- Marks left by past breakouts (together with sunscreen)
If you have very sensitive, inflamed or broken skin, skip it for now. The AAD says to avoid retinoids if your skin is very red or inflamed, or if you have dryness or allergies, and notes that people with darker skin should watch closely for irritation because it can cause dark marks.
Retinoids should not be used during pregnancy, according to the AAD. If you are pregnant or trying to conceive, speak to your doctor.
How to start: the slow method
The AAD recommends choosing the least intense formula you can find and starting every other night, then building up gradually. A cautious beginner schedule looks like this:
- Weeks 1 to 2: Use twice a week, at night only.
- Weeks 3 to 4: If skin feels comfortable, use three nights a week.
- After that: Move to every other night, then possibly nightly if your skin handles it.
If you get redness, burning or peeling, pause for a few days and return to a lower frequency.
The “sandwich” method
If your skin is dry or sensitive, apply moisturizer first, then retinol, then more moisturizer. This can reduce irritation, although it may also make the retinol feel milder.
Step-by-step application
- Cleanse with a gentle cleanser at night and pat skin completely dry.
- Wait a few minutes if your skin is still slightly damp.
- Apply a pea-sized amount to your whole face. A little goes a long way.
- Avoid the corners of your nose, mouth and eyes, where skin is more delicate.
- Moisturize afterwards.
Retinol serums to consider
Explore Reginah’s serums collection. Listings describe these as follows. Check the product page for strength and instructions.
Mary & May Retinol 0.1% Bakuchiol CICA Serum 80ml Buy now
An 80ml serum with 0.1% retinol, bakuchiol and CICA, described as reducing wrinkles and firming skin while minimizing irritation. A lower strength that suits beginners.
Medicube Deep Vita A Retinol Serum 30ml Buy now
A 30ml stabilized retinol serum listed as targeting wrinkles, large pores and loss of elasticity.
Beauty Secrets of April Retinol Serum 30ml Buy now
A concentrated retinol serum for fine lines and texture. Start with a small amount and build up.
ProGenix Retinol Serum 1oz Buy now
An 1oz retinol serum, described as resurfacing the skin and fading dark spots. Use slowly if your skin is prone to marks.
Protect your skin in the daytime
Retinoids can make skin more sun-sensitive. The AAD advises applying them only at night, and using shade, protective clothing and sunscreen during the day. If your skin is sensitive, it suggests a physical sunscreen with zinc oxide or titanium dioxide. Our guide to the best sunscreen for dark skin can help you choose.
What not to mix with retinol (at first)
When you are starting, avoid layering retinol with many other strong actives in the same routine. Be cautious with:
- Exfoliating acids (AHAs, BHAs) and physical scrubs
- Benzoyl peroxide, which can irritate and may interact with some retinoids
- Multiple new products at once
Gentler partners include hyaluronic acid and a simple moisturizer. See our hyaluronic acid guide, or use niacinamide in the morning. Our niacinamide guide explains the details.
Choosing your first retinol product
- Strength: Over-the-counter labels do not always state the percentage, and the AAD advises starting with the lowest concentration available. If a percentage is listed, 0.1% to 0.3% is a gentle place to begin.
- Texture: Serums feel lighter; creams can feel more buffered and are a good choice for dry skin.
- Packaging: Retinol is light-sensitive, so look for opaque or dark packaging with a pump or dropper, and close the cap after use.
- Other ingredients: Soothing ingredients such as ceramides or centella can make retinol easier to tolerate.
What is “retinol purging” and irritation?
Some people notice more breakouts or flaking in the first few weeks as skin adapts. This can happen, but it should be mild. Persistent burning, swelling or significant redness is not normal. Stop using the product and speak to a doctor if it continues.
Retinol and Nigerian weather
Hot, humid weather and strong sun mean sunscreen is non-negotiable. During harmattan, skin can become drier and more reactive, so you may need to use retinol less often and add a richer moisturizer. See our harmattan skincare tips.
A realistic timeline
- Weeks 1 to 4: your skin is adjusting. Mild dryness or tightness can happen. Focus on moisturizer and sunscreen.
- Weeks 4 to 12: texture may start to look smoother as skin renews itself.
- After 3 months or more: fine lines and tone may look improved for some people. Results vary, and not everyone sees dramatic change.
Take photos in the same light so you can judge honestly. If your skin is consistently irritated, it is fine to stop or switch to a gentler option.
Frequently asked questions
What age should I start retinol?
There is no single age. Many people begin in their mid-20s to 30s, but it depends on your goals and skin. Check with a dermatologist if unsure.
Can I use retinol in the morning?
The AAD advises using retinoids at night only because they can increase sun sensitivity.
How long until I see results?
Often several weeks to months. Use it consistently and be patient.
Can I use retinol on dark skin?
Yes, many people do, but start low and slow because irritation can trigger dark marks. Always use sunscreen.
What about bakuchiol?
Bakuchiol is marketed as a gentler plant-derived alternative. Research is still developing, so results may differ from retinol.
Final thoughts
Retinol rewards patience. Start low, go slow, moisturize, and wear sunscreen every morning. If your skin tells you it is too much, listen to it.
Explore Reginah’s serums and moisturizers to build a gentle retinol routine.






