What does a face scrub actually do?
A face scrub uses abrasive particles to physically remove dead cells from the skin's outer layer. This is called mechanical or physical exfoliation. Removing that dull surface layer can improve skin's luster. A face scrub removes surface dead skin cells, not wrinkles, even if the packaging has ambitious career plans.2
The benefit is cosmetic rather than a requirement for healthy skin. If you want to address persistent acne or dark patches, harder scrubbing is not a substitute for treatment.2
Is a scrub right for your skin?
Oily, thicker skin can be better suited to mechanical exfoliation. Dry, sensitive or acne prone skin can find scrubs too irritating; a mild chemical exfoliant is an alternative. Avoid aggressive exfoliation if you have a darker skin tone or develop dark marks after bites, burns or breakouts, because it can increase pigmentation.1
Aging skin becomes thinner and drier, which makes a gritty scrub a poor default choice. Facial scrubs with small particles can cause irritation, rashes, dryness or uneven pigmentation. A gentle cleanser intended for sensitive skin is a better everyday washing option.3
Which scrubs should you avoid?
Avoid salt and sugar scrubs on your face, including homemade versions. Their granules can cause tiny tears in the skin's protective barrier, allowing irritation and inflammation to develop. Harsh scrubs can also strip natural oils and increase water loss, leaving skin drier and more sensitive. Adding scent or color does not solve the abrasion problem.4
Favor fragrance free skincare, particularly if your skin is dry, sensitive or prone to acne, or you have eczema. Fragrance is a common cause of contact allergy, a skin reaction triggered by something touching the skin. A scrub's fragrance is a separate consideration from how abrasive its particles are.4
How to use a face scrub
- 1Check your skin before starting. Do not exfoliate sunburn, open cuts or wounds.
- 2Apply the scrub gently with small circular motions. Keep the massage to about 30 seconds rather than repeatedly working over the same areas.
- 3Rinse thoroughly with lukewarm water, not hot water.
- 4Pat dry gently with a soft towel rather than rubbing.
- 5Apply moisturizer immediately after exfoliating.
For the cleansing part of your routine, use a gentle cleanser without alcohol or abrasive particles. Wet your face with lukewarm water and apply cleanser with your fingertips. A washcloth, mesh sponge or other tool can add irritation; ordinary face washing does not need another layer of friction.5
How often should you exfoliate?
Do not exfoliate every day. Two or three times a week is an upper limit, not a target you need to reach. Skin needs time to repair between sessions. A harsher scrub belongs on a less frequent schedule, and redness or irritation is a reason to stop rather than complete the week's planned applications.12
Face washing and exfoliation have different schedules. Routine cleansing is generally twice a day, morning and night, and after heavy sweating. Do not turn each wash into a scrub session. When washing irritated or itchy skin, stay gentle and apply moisturizer.5
Can you use a scrub with retinol or acne treatments?
Retinol, prescription retinoid creams and benzoyl peroxide can make skin more sensitive or cause peeling. Adding exfoliation can worsen dryness or trigger breakouts. If your routine already contains these products, do not automatically add a scrub.1
Should you scrub spots or blackheads?
Do not scrub acne. Acne develops when hair follicles become blocked with excess oil and dead skin cells, but rubbing the surface can irritate skin and make acne worse. Wash with a gentle cleanser instead. A pharmacist can help you choose an acne treatment, such as salicylic acid or benzoyl peroxide, rather than treating a scrub as the solution.6
The same caution applies to teenage skin: over exfoliating can cause inflammation. Resist picking or squeezing spots as well as scrubbing them, because picking can make spots worse. Persistent concerns are a reason to speak to a GP about treatment, not increase the pressure or frequency of exfoliation.7
What should you apply afterward?
Moisturizer helps limit moisture loss by supporting the skin's outer barrier. In a morning routine, finish with sunscreen of at least SPF 30 on your face, neck and ears. Sun protection also helps prevent brown spots and keeps existing ones from worsening. Exfoliation can make skin more prone to sunburn, so sunscreen matters even when the scrub is used at night.23
When should you stop or get help?
Stop exfoliating if skin becomes red, inflamed or chapped. Rubbing too hard can cause irritant contact dermatitis, meaning inflammation caused by irritation rather than an allergy. If you are unsure whether exfoliation suits your skin, a dermatologist can help you choose an approach or decide to leave it out.12
See a GP if acne is not improving with treatment, you have many spots, or spots are deep, painful or leaving scars. Hot, swollen and red skin can indicate infection and also needs medical assessment. Redness can be harder to see on brown and black skin. Seek help if acne is affecting your mental health, too.6
Where this answer comes from
- 1How to safely exfoliate at homeaad.org
- 2Have you exfoliated lately?health.harvard.edu
- 3About facehealth.harvard.edu
- 4The Worst Skin Care Products and Ingredientshealth.clevelandclinic.org
- 5Face washing 101aad.org
- 6Acnenhs.uk
- 7How to look after teenage skinderbyshireteenhealth.nhs.uk