Anti-Aging Skin Care: What Actually Works

Nothing makes wrinkles vanish in seconds, and no cream reverses aging. What the evidence supports is a short list: protect your skin from the sun every day, use a retinoid if you want to improve fine lines, do not smoke, keep your skin moisturized and un-irritated, and be realistic about everything else. Dermatologists and clinical trials agree on these basics, and they cost far less than most “anti-aging” products.

This guide separates what has real evidence from what does not. It covers why skin ages, the daily habits with the best support, how to start a retinoid without wrecking your skin, what the research says about collagen supplements and other trends, when in-office treatments make sense, and how to spot marketing claims that promise more than any product can deliver.

This is general information, not medical advice. A board-certified dermatologist can tailor a plan to your skin, especially if you are considering prescription products, are pregnant, or have a skin condition.

Table of Contents

What works, what is mixed, and what is hype

Approach	What the evidence shows	Verdict
Daily broad-spectrum sunscreen	Slowed skin aging by 24% in a 4.5-year randomized trial	Strong evidence
Topical retinoids (tretinoin, retinol)	Improve fine wrinkles in a network meta-analysis of 23 trials	Strong evidence
Not smoking	Smoking greatly speeds skin aging, per the American Academy of Dermatology	Strong evidence
Daily moisturizer	Improves the look of skin; supports the barrier	Reasonable
Healthy diet, less alcohol, exercise	Suggestive studies; healthy for other reasons	Modest
Collagen supplements	Conflicting: benefits in some trials, none in high-quality or independent ones	Unproven
Beta-carotene supplements	No effect on skin aging in the sunscreen trial	Not supported
“Wrinkles vanish in seconds” products	Temporary tightening at best	Hype

Why skin ages

Two processes are involved, and only one is within your control.

Intrinsic aging is the natural process. The American Academy of Dermatology (AAD) notes that with time we all get visible lines, our faces lose some of their youthful fullness, and skin becomes thinner and drier. Genes largely control when these changes occur.

Extrinsic aging comes from the environment and lifestyle. Ultraviolet (UV) light is the main driver. A systematic review of topical photoaging treatments states that chronic UV exposure is the primary cause of skin photoaging, leading to wrinkles, pigmentation changes, and loss of elasticity. Smoking, pollution, and repeated facial expressions also contribute. This is the part you can influence.

The AAD adds an encouraging note: it is never too late to benefit. Even people who already show signs of premature aging can improve by protecting their skin from the sun, which gives it a chance to repair some of the damage, and smokers who stop often notice healthier-looking skin.

The 11 habits dermatologists recommend

The AAD lists these ways to reduce premature skin aging.

Protect your skin from the sun every day. Seek shade, wear sun-protective clothing, a wide-brimmed hat, and UV-protective sunglasses, and use a sunscreen that is broad-spectrum, SPF 30 or higher, and water-resistant, on all skin not covered by clothing.
Use self-tanner instead of tanning. Every tan, from the sun or a tanning bed, prematurely ages your skin.
If you smoke, stop. Smoking greatly speeds up skin aging and causes wrinkles and a dull, sallow complexion.
Avoid repetitive facial expressions. Repeated muscle contractions over many years can make lines permanent. Sunglasses help reduce squinting lines.
Eat a healthy, well-balanced diet. A few studies suggest plenty of fresh fruits and vegetables may help prevent damage that leads to premature aging, and that a diet high in sugar and refined carbohydrates may speed it.
Drink less alcohol. It dehydrates and, over time, damages the skin.
Exercise most days. Moderate exercise may improve circulation and give skin a more youthful appearance.
Cleanse gently. Scrubbing irritates the skin, and irritation accelerates aging.
Wash your face twice a day and after heavy sweating. Perspiration, especially under a hat or helmet, irritates skin.
Apply a facial moisturizer every day. It traps water in the skin and gives it a more youthful look.
Stop using products that sting or burn. That is a sign of irritation. (Some prescription anti-aging products can sting, which may be acceptable, but tell your dermatologist.)

Notice what is on the list: mostly free or cheap habits. That is not an accident.

Sunscreen: the best-supported anti-aging product

The strongest single piece of evidence is a randomized trial published in Annals of Internal Medicine in 2013 by Hughes and colleagues. It assigned adults in Australia to either use broad-spectrum sunscreen daily or use it only when they chose, and separately to take beta-carotene or a placebo. After 4.5 years, the daily sunscreen group showed no detectable increase in skin aging, and skin aging was 24% less than in the discretionary group. Beta-carotene supplements had no overall effect.

The message is practical: applying sunscreen every day, not just at the beach, measurably slows visible aging.

How to use it well:

Choose broad-spectrum, SPF 30 or higher, and water-resistant, as the AAD recommends.
Apply to all exposed skin daily, including the face, neck, ears, and the backs of the hands.
Use enough. Most people apply too little.
Reapply if you are outside for long, sweating, or swimming.
If you have sensitive skin, the AAD suggests a physical (mineral) sunscreen containing titanium dioxide and/or zinc oxide.
Add sun-protective clothing and shade, since sunscreen alone is not enough.

Retinoids: the best-supported active ingredient

Retinoids are vitamin A-based products. The AAD explains that tretinoin was approved by the FDA as a topical acne treatment back in 1971, and dermatologists soon noticed its anti-aging effects. It spurs faster turnover of surface skin cells and boosts collagen, improving skin tone and reducing fine lines and wrinkles.

Trial evidence backs this up. A network meta-analysis of topical treatments for facial photoaging, covering 23 randomized trials and 3,905 participants, found that isotretinoin, retinol, and tretinoin significantly improved fine wrinkles, with tazarotene most effective for coarse wrinkles and glycolic acid reducing roughness. Prescription retinoids generally outperform over-the-counter ones, but they are stronger and more irritating.

Retinol or retinoid?

Retinol is a type of retinoid sold over the counter, often used to improve uneven tone, pigmentation, and texture. Products vary widely, and there is no standard requirement to disclose the percentage on the label.
Prescription retinoids include tretinoin, tazarotene, and trifarotene. For a closer look, see our comparisons of tretinoin gel vs cream, Aklief vs tretinoin, and tretinoin vs isotretinoin, since isotretinoin as a pill is a very different drug from topical tretinoin.

How to start without irritating your skin

Dermatologists quoted by the AAD recommend:

Start with the least intense product you can find, and use it every other night at first, building up slowly.
Use it only at night, since retinoids can make skin more sensitive to sun, and use sunscreen every morning.
Add a moisturizer to reduce dryness.
Give it time. Improvement comes gradually over weeks to months, not days.

Who should be careful:

Pregnancy. Retinoids should not be used during pregnancy. Talk to your doctor if you are pregnant or trying to conceive.
Redness or inflammation. People with a lot of redness or inflammation should avoid retinoids and ask a dermatologist about conditions such as rosacea.
Moderate or severe acne scarring, or hormonal acne, should be assessed by a dermatologist first.
Darker skin. People of all skin colors can benefit, but irritation can trigger dark marks (hyperpigmentation) in skin of color. Starting slowly and moisturizing helps. Our free Fitzpatrick skin type quiz can help you understand your skin’s sun sensitivity.

Collagen supplements: what the research really shows

Collagen powders, drinks, and capsules are heavily promoted for wrinkles. The research is more complicated than the ads.

A 2025 systematic review and meta-analysis in The American Journal of Medicine pooled 23 randomized trials with 1,474 participants. Across all studies, collagen supplements significantly improved skin hydration, elasticity, and wrinkles. But when the authors looked at who paid for the studies, trials not funded by pharmaceutical companies showed no effect, while industry-funded trials did. High-quality studies also showed no significant effect. The authors concluded there is currently no clinical evidence to support using collagen supplements to prevent or treat skin aging.

Other reviews have been more positive. One meta-analysis of 26 trials with 1,721 participants and a separate review of oral collagen peptides reported improvements in skin hydration and barrier function, with elasticity benefits emerging mainly after about 12 weeks.

The fair reading: results are mixed, the best-designed and independently funded studies are the least encouraging, and collagen is not a substitute for sunscreen and a retinoid. If you choose to try it, expect modest effects at best, look for third-party testing, and do not spend money you need for sunscreen.

Diet, sleep, and lifestyle

The AAD notes that a few studies suggest fruits and vegetables may help prevent damage that leads to premature aging, and that a diet high in sugar or refined carbohydrates may accelerate it. These findings are suggestive rather than definitive, but a balanced diet is good for the rest of your body as well. The same goes for regular exercise, limiting alcohol, and not smoking. Good sleep and stress management are also sensible for overall health, and you can read about mindfulness practices and check your sleep with our sleep debt calculator. Do not expect any of these to transform wrinkles, but they help your skin and your health.

In-office treatments

If you want more than skincare can deliver, dermatologists and plastic surgeons offer procedures. Each has its own risks and limits, so consult a board-certified professional.

Botulinum toxin injections (Botox, Dysport, Jeuveau and others) temporarily relax the muscles that cause frown lines. See our guide to Jeuveau vs Botox.
Dermal fillers restore volume in areas that have lost fullness.
Chemical peels, microneedling, and lasers can improve texture, pigmentation, and fine lines. Compare microdermabrasion vs microneedling.
Prescription retinoids and other topical medicines for stronger results than over-the-counter options.

Choose providers who are board-certified, ask about complications and downtime, and be wary of deep discounts, non-medical settings, and products bought online.

Claims to be skeptical of

Marketing language in the anti-aging market often promises more than any product can prove.

“Wrinkles vanish in seconds” or “instant facelift in a bottle.” Some products tighten the surface temporarily, but they do not remove wrinkles.
“Reverses aging,” “turns back the clock,” or “stem cell” creams. Cosmetics are not held to the same standard as drugs, so claims like these are not the same as evidence.
Very expensive serums. Price does not track effectiveness. A simple routine of sunscreen, moisturizer, and a retinoid beats a shelf of luxury products.
“Detox” and “miracle” ingredients. Look for peer-reviewed trials, not testimonials or before-and-after photos.
Before-and-after photos with different lighting or angles. They can be made to show almost anything.
Anything that makes your skin sting and burn. The AAD advises stopping products that irritate, since irritation accelerates skin aging.

A simple routine

Morning

Cleanse gently, or just rinse.
Apply a moisturizer.
Apply broad-spectrum, SPF 30 or higher, water-resistant sunscreen to all exposed skin.

Night

Wash off sunscreen, makeup, and sweat gently.
If using a retinoid, apply it (start every other night, use a pea-sized amount for the face).
Apply moisturizer.

Weekly habits

Check your skin for new or changing moles, and see a dermatologist for anything unusual.
Avoid tanning beds completely.
Replace sunscreen that is expired or has been sitting in a hot car.

When to see a dermatologist

You want prescription retinoids or in-office treatments
You have acne, rosacea, eczema, or pigmentation problems
A mole or spot is changing, bleeding, or growing
A product causes burning, swelling, or a rash
You are pregnant or breastfeeding and unsure which products are safe

Frequently asked questions

What is the most effective anti-aging product?

Daily broad-spectrum sunscreen, SPF 30 or higher. In a 4.5-year randomized trial, people who used it daily had 24% less skin aging than those who used it only when they chose. Topical retinoids come next.

Do anti-aging creams really work?

Some ingredients do, especially retinoids such as tretinoin and retinol, which improve fine wrinkles in clinical trials. Most other products have far less evidence, and none can reverse aging.

When should I start using anti-aging products?

Sun protection and not smoking are worth doing at any age. Many dermatologists suggest considering a retinoid when fine lines or uneven tone begin to appear, but the AAD says it is never too late to benefit.

Is retinol safe?

For most adults, yes, when started slowly and used with sunscreen. It can cause dryness, redness, and peeling, and it should not be used during pregnancy. If you have rosacea or very sensitive skin, ask a dermatologist first.

Do collagen supplements work for wrinkles?

The evidence is mixed. A 2025 meta-analysis found that independently funded and high-quality trials showed no benefit, and concluded there is no clinical evidence to support collagen for skin aging. Some other reviews report modest improvements in hydration.

Can you reverse sun damage?

You can improve some of it. The AAD says protecting your skin from the sun gives it a chance to repair some damage, and retinoids can improve fine lines and pigmentation. Deep damage often needs professional treatment.

What is the difference between retinol and tretinoin?

Retinol is an over-the-counter form of vitamin A. Tretinoin is a stronger prescription retinoid. Both improve fine wrinkles, and tretinoin is generally more effective and more irritating.

Does drinking water prevent wrinkles?

Staying hydrated is good for your health, but there is little evidence that drinking extra water erases wrinkles. Moisturizer, sunscreen, and not smoking matter more.

Is Botox a good anti-aging option?

Botulinum toxin injections temporarily soften lines caused by muscle movement, such as frown lines. They are a medical procedure with risks and should be done by a trained professional.

Do I need an expensive routine?

No. Sunscreen, a gentle cleanser, a moisturizer, and a retinoid cover what the best evidence supports.