If skincare had a hall of fame, retinoids would have their own wing. They're one of the most researched, most recommended, and most misunderstood ingredients in the entire industry - genuinely transformative when used well, genuinely miserable when used wrong.
So let's clear some things up.
What a Retinoid Actually Does
Retinoids are derivatives of vitamin A, and their job is to speed up skin cell turnover - nudging your skin to shed old, dull surface cells and produce fresh ones faster than it naturally would. Over time, this shows up as smoother texture, more even tone, softer fine lines, and a genuine boost in collagen production.
They're not an exfoliant in the traditional sense (that's acids' job), but a communicator - retinoids essentially instruct your skin cells to behave the way they did when you were younger. Which is why dermatologists reach for them more than almost anything else.
Not All Retinoids Are the Same Strength
This is where most confusion (and most irritation) comes from. "Retinoid" is an umbrella term covering a whole spectrum, from gentle to genuinely potent:
- Retinyl esters - the mildest, often the starting point for beginners
- Retinol - the most common over-the-counter option, a good middle ground
- Retinaldehyde - a step up in strength and speed of results
- Prescription retinoids (like tretinoin) - the strongest, fastest-acting, and most likely to cause irritation if introduced too quickly
Using a strong retinoid like you would a light moisturizer is the single most common reason people give up on the entire category, convinced their skin "can't handle" retinoids - when really, it just couldn't handle that one, at that strength, introduced that fast.
The Golden Rules
Apply strictly at night. Retinoids must be part of your evening routine. Not only can they cause severe oversensitivity to daytime sun exposure, but sunlight will actively destroy the active ingredients, stripping away the benefits before they can even start working.
Less is more. In terms of proportion, a pea-sized amount is all you need for your entire face. Using more won't give you faster results, it will only trigger irritation.
Start slow. Forget the daily recommendations on the packaging; start by applying your retinoid just once or twice a week, and always pair it with a dedicated barrier cream to keep your skin protected.
Try the sandwich technique. If your skin is on the sensitive side, apply a thin layer of moisturizer first, wait a few minutes, apply your pea-sized amount of retinoid, and seal it with another layer of moisturizer or your barrier cream. This creates a buffer that softens the delivery without cancelling out the results.
Always, always pair with SPF. Because retinoids increase your skin's sensitivity to the sun during the day, skipping daytime sunscreen is like doing all the work of renovating a house and leaving the front door wide open.
Expect a "purge" phase, not a punishment. As cell turnover accelerates, you should anticipate potential breakouts, temporary flaking, or initial dryness. This is completely common as your skin adjusts. However, persistent redness, burning, or peeling is not normal and is a clear sign to dial things back.
Why "Just Use a Retinoid" Isn't Enough Advice
The honest truth is that the right retinoid, at the right strength, introduced at the right pace, and paired with the right supporting products, looks completely different from person to person. Skin type, sensitivity, what else is in your routine, even what other actives you're using alongside it - all of it changes the answer.
That's exactly why we're putting together a full guide dedicated to actives like retinoids - covering strength, sequencing, what to pair them with (and what to avoid combining them with), and how to build a routine around them without the trial and error. It's launching soon, available to purchase - keep an eye out.
In the meantime, if you're curious where you'd sit on the retinoid spectrum, it's always something we're happy to talk through during a consultation.