This post was reviewed and updated by Sarah Otto, Dermatology Nurse Practitioner and Founder of Otto Skin Goods on May 5, 2026.
By your 40s, your skin cell turnover rate has halved since your 20s. Translation? Wrinkles and dull, uneven skin. As your levels of estrogen decline, elastin and collagen also decline. Unfortunately, this causes your skin to start sagging.
You might’ve already tried what seems like thousands of solutions and products, or maybe you barely do anything at all. Whether you’re slathering on the latest and greatest anti-aging nonsense or washing your face with Dove soap, we're here to help. Here are our five golden rules for the perfect skincare routine in your 40s.
1. Use skincare products that are gentle, yet effective.
When you hit 40, your skin starts to become a little more sensitive. Opt for skincare products that are gentle, yet effective. Start by choosing a cleanser that boosts moisture retention. Look for something that has a gentle lather and contains great hydrating ingredients, like ceramides. Also, consider washing your face with a cleanser only once a day. If you wash at night, just rinse your face in the morning with water alone—not only will it help preserve your skin’s own natural oils, but it saves time, too!
2. An antioxidant serum is a must.
Sun and pollution damage can wreak havoc on your skin, and over time, it can lead to an uneven, dull complexion. But it’s never too late to protect and prevent. Combat this by adding a daily antioxidant serum. This should be the first thing you put on in the morning after rinsing your face with water. Look for one packed full of natural antioxidants like kakadu plum and avocado extracts, but also stabilized forms of vitamin C (try this one here!). A good antioxidant-rich serum can improve your overall complexion, encourage collagen production and protect against UV and environmental damage.
3. Brightening ingredients are your friend.
You might be noticing that it’s harder to achieve a glow that was once commonplace in your 20s. The reason? That skin cell turnover rate we mentioned earlier (sorry to remind you). Look for products with alpha hydroxy acids, vitamin C and retinol to brighten and refresh your complexion—these ingredients will help turn over cells more rapidly. Just make sure you’re never overusing these products, and definitely don’t use them together. Some skin types can tolerate retinol daily, while others can only use it twice a week. If you have more sensitive skin, opt for fruit acids and vitamin C. These are best utilized at night because they have a longer time to work their magic. Plus, it’s best to avoid direct sunlight while using AHAs on your skin. Need some help? Try this easy routine!
4. Eye creams are great to use during the day.
While it may be tempting to use eye creams at night, the best time to apply an eye cream is actually during the day. An ultra-hydrating eye cream like this one helps smooth and plump thin skin. It’s also a great primer before applying make-up, which diminishes the look of fine lines and wrinkles. Also, many contain ingredients like peptides and antioxidants that protect this delicate area from pollution and sun damage.
5. Hydrate. Hydrate. Hydrate.
The secret to achieving great skin in your 40s is to keep it hydrated—and the best way to do this is with a face oil. Face oils not only penetrate deep to ultra-hydrate your skin, they also work better to balance oil production naturally, leaving skin super smooth and soft. Use a face oil at night on top of an exfoliating night serum and experience the difference of truly hydrated skin by morning. Don’t forget to drink plenty of water, too!
Frequently Asked Questions
Why does my skin change so much in my 40s?
By your 40s, your skin cell turnover rate has slowed to about half of what it was in your 20s. Declining estrogen levels also cause a drop in elastin and collagen production, which leads to wrinkles, dullness, uneven skin tone, and sagging.
What kind of cleanser should I use in my 40s?
Look for a gentle cleanser that boosts moisture retention, ideally one with a gentle lather and hydrating ingredients like ceramides. You only need to use it once a day. If you cleanse at night, simply rinse your face with water in the morning to preserve your skin's natural oils.
Do I really need an antioxidant serum?
Yes, especially if you want to combat sun and pollution damage, which can cause dull, uneven skin over time. Apply an antioxidant serum every morning after rinsing your face. Look for one with natural antioxidants like kakadu plum and avocado extracts, as well as stabilized vitamin C. It can improve your complexion, stimulate collagen production, and protect against UV and environmental damage.
What ingredients help brighten skin in your 40s?
Alpha hydroxy acids (AHAs), vitamin C, and retinol are all effective brightening ingredients that help speed up cell turnover. Use these at night, since they need time to work and some (especially AHAs) make your skin more sensitive to sunlight. If you have sensitive skin, opt for fruit acids and vitamin C over retinol. Never use these ingredients together or overdo it—depending on your skin type, retinol can be used daily or as infrequently as twice a week.
When is the best time to use eye cream?
Daytime is actually the best time to apply eye cream. An ultra-hydrating eye cream helps smooth and plump thin skin, doubles as a primer before makeup, and often contains peptides and antioxidants that protect the delicate eye area from pollution and sun damage throughout the day.
What's the best way to keep skin hydrated?
Face oils are one of the best tools for deep hydration; they penetrate the skin to balance oil production and leave skin smooth and soft. Use a face oil at night on top of an exfoliating night serum for best results. And don't overlook the basics: drinking plenty of water makes a real difference too.
Can I use retinol if I have sensitive skin?
You may be able to, but proceed carefully. Some skin types can tolerate retinol daily, while others can only use it once or twice a week. If your skin is more sensitive, fruit acids and vitamin C are gentler alternatives that still encourage cell turnover and brightness.
Should I change my entire routine at 40?
Not necessarily! But a few targeted additions go a long way. The five key upgrades recommended are: a moisture-boosting cleanser, a daily antioxidant serum, brightening ingredients (like AHAs, vitamin C, or retinol), a daytime eye cream, and a face oil for deep nighttime hydration.
