Short answer: Not in the way the phrase suggests. A product that continues to suit your skin need not be rotated merely because you have used it for a long time. When a product seems to be doing less, the explanation is usually ordinary. Your skin’s needs may have changed with age, hormones, climate or season. You may have grown used to the improvement. The product may have been affected after opening, or the way you use it may have drifted. Each of those is worth checking, and a licensed skincare professional can help you judge when an adjustment makes sense.
If a product seems to have stopped doing its job, look for an ordinary explanation first.
Where the idea comes from
A new moisturizer or serum makes a clear difference at first, then later it seems to be doing less, and the natural conclusion is that your skin has grown used to it. The experience is real, but several ordinary things can explain it, often in combination. How Long Should Skincare Take to Work? covers the first: the improvement that becomes your new normal, so you stop noticing it.
Your skin’s needs change
Maturing skin. Skin-cell turnover generally changes with age, and skin tends to make less of its own oil over the years, so it can become drier.
Hormonal changes. For many women, the years around menopause bring a noticeable change in how dry skin feels. Menopause and Skin: What Changes covers this in more detail.
Climate and season. Dry desert air, cold winter air and heated or air-conditioned rooms can all leave skin drier, while humid weather can make the same moisturizer feel heavier. A move to a new climate can change what your skin needs.
Other individual factors. Sleep, stress and changing circumstances can also affect how skin looks and feels.
In each case the product may be doing what it always did, while the skin it supports has changed. That is a reason to adjust a routine when your skin’s needs change, guided by how your skin looks and feels rather than by the calendar.
When a product still suits you
A product that continues to suit your skin does not need replacing merely because you have used it for months or years. Swapping it adds a variable without a reason, and if you change several things at once you cannot tell what helped and what irritated you.
Good reasons to change do exist: your skin’s needs have changed, the product irritates you, it has changed in the container, or consistent use as directed has not delivered what you chose it for. When you do change, change one thing at a time.
The product changed
Products change too, particularly after opening. Temperature changes, sunlight and exposure to air can affect a product’s color, texture, odor and overall stability. Some ingredients, retinol among them, are more sensitive to light and air than others.
Store skincare in a cool, dry place away from direct light and excessive heat or humidity, following the manufacturer’s directions. Close containers promptly, and use a clean cosmetic spatula for anything taken from an open jar. If a product has significantly changed, separated or developed an unusual odor, discontinue use or check with the manufacturer. How Long Skincare Lasts After You Open It and The Bathroom Is the Worst Room in Your House to Store Skincare go further, and Does Retinol Expire? covers one ingredient people often ask about.
The way you use it changed
Routines drift. A product used every evening at first ends up used when you remember, or the amount creeps down to make it last or up in the hope of a faster result.
Using less than the directions call for can leave areas uncovered. Using more, or more often, is not faster. Increasing the amount or frequency of a non-prescription retinol product beyond the directions can lead to excessive dryness, flaking, redness or sensitivity rather than faster results.
Before you decide a product has stopped working, check that you are still using it consistently and the way its directions describe.
When skin adjusts to retinol
There is one situation where the phrase fits, and it runs the other way. Some people notice dryness or mild irritation when they first introduce a non-prescription retinol product, which eases as their skin adjusts. Some retinol products are designed to be introduced gradually, and their directions set out how. Prescription retinoids are a separate category: if you use one, follow the guidance of the healthcare professional who prescribed it.
That easing means your skin is tolerating the product more comfortably, not that the product is doing less. If irritation does not settle, or it worsens, stop and seek advice from a dermatologist or licensed skincare professional. Retinol is an option rather than a requirement, it is generally used at night, and daily broad-spectrum sunscreen is recommended as part of the routine.
Victoria’s approach
Victoria Nash, founder of Esenté Skincare, has been a licensed aesthetician since 2003. She also owns and operates Younger You Clinique and is an experienced skincare educator. She draws on her professional experience at Younger You Clinique when evaluating skincare products and their performance. Victoria views good skincare as a lifelong commitment to improving and maintaining the condition and appearance of the skin. There is no point at which good skincare is finished, and as skin changes throughout life, the products and treatments used to support it may change as well. A professional can recognize changing needs, whether from maturing skin, hormonal changes, climate or season, and advise adjustments throughout life. If you are wondering whether a product still suits your skin, ask Victoria on the Ask Victoria page.
Frequently asked questions
The idea is common, but more often your skin’s needs have changed, the product has changed after opening, or the way you use it has drifted. A product that still suits your skin does not need replacing merely because you have used it for a long time.
Your skin may need something different as the season, the climate, your hormones or your age change. The product may have been affected by heat, light or air after opening, or you may be using it less consistently. Often more than one applies.
There is no need to switch on a schedule. Change a product when your skin’s needs change, when it irritates you, or when it has changed in the container. A licensed skincare professional can help you judge when an adjustment is worthwhile.
Some people find early dryness or irritation eases as their skin adjusts, and that is not a sign the product is doing less. Store it as its directions say, because retinol is sensitive to light and air, and follow the directions for your individual product.
If a product has significantly changed, separated or developed an unusual odor, discontinue use or check with the manufacturer. Store products in a cool, dry place away from direct light and excessive heat or humidity.
About the author. Victoria Nash, founder of Esenté Skincare, has been a licensed aesthetician since 2003. She also owns and operates Younger You Clinique and is an experienced skincare educator.
Reviewed by Victoria Nash, licensed aesthetician, founder of Esenté Skincare and owner of Younger You Clinique. This article is educational and is not medical advice. Ask your dermatologist or licensed skincare professional about products appropriate for your own skin and medical history.
