Skin cycling planner
Pick your exfoliant and retinoid: see your skin cycling nights for the next 4 weeks.
- 1Your picks
- 2Your 4 weeks
- 3My cycle
Your deck
4nights, then repeatYour skin cycling routine
Popularized by dermatologist Dr. Whitney Bowe. Pick your products, then see the next 4 weeks night by night.
The four nights
Exfoliation
A chemical exfoliant, an AHA such as glycolic acid or a BHA such as salicylic acid, rather than a gritty scrub. Moisturize right after. If it burns, rinse it off.
Retinoid
Retinol, or an over-the-counter retinoid such as adapalene, used at night. For sensitive skin, Dr. Bowe suggests a gentle over-the-counter retinol rather than a prescription one.
Recovery
No acids and no retinoid: just cleanser and moisturizer, so your skin barrier can recover. Dr. Bowe compares them to rest days between workouts.
Sunscreen
Retinoids and exfoliating acids make skin more sensitive to the sun. Dermatologists advise sun protection by day, and the FDA says to keep using sunscreen for a week after you stop an AHA.
Does skin cycling work?
A sensible framework, not a tested one
No published study has tested the 4-night sequence against other schedules. Dermatology Times calls it a heuristic, not a tested protocol, and our PubMed search (November 2026) found no trial of it. Its parts are supported: starting retinoids slowly, every other night at first, and not over-exfoliating, especially while you use a retinoid.
For sensitive skin
Dr. Bowe’s gentle start: an exfoliation night, then three recovery nights, for 2 to 3 weeks. Add the retinoid night only if there is no burning, stinging or peeling. People with low tolerance, rosacea or eczema may need even more recovery nights: ask a dermatologist.
Only after two calm cycles
Once your skin has handled at least two classic cycles without irritation, Dr. Bowe drops a recovery night: exfoliate, retinoid, recover. This planner sticks to the classic and gentle versions.
One face scan. Your whole routine, sorted.
This page answered your question. MySkincare starts from your own skin, and the products you already use.
- 1Scan your face3 photos: front, left profile, right profile.
- 2See your skin scoreFree6 zones scored separately: forehead, eye area, T-zone, both cheeks, chin.
- 3Scan your productsIt reads each ingredient list and says: keep it, watch it or replace it.
- 4Follow your routineMorning and night, checked so your products work together. With reminders.
Questions people ask
What is skin cycling?
A night-time routine popularized by dermatologist Dr. Whitney Bowe. You rotate four nights: an exfoliation night, a retinoid night, then two recovery nights with no acids or retinoids, and repeat.
What is the skin cycling order?
Night 1 exfoliation, night 2 retinoid, nights 3 and 4 recovery, then start again. For sensitive skin, Dr. Bowe suggests an exfoliation night followed by three recovery nights for 2 to 3 weeks before adding the retinoid night.
What should my morning routine be?
Skin cycling is a night routine. In the morning, keep it simple: a gentle cleanser, a moisturizer and sunscreen. Retinoids and exfoliating acids make skin more sensitive to the sun.
Can I skin cycle with tretinoin?
Ask the doctor who prescribed it. Prescription tretinoin behaves differently from over-the-counter retinol, and dermatologists writing in Dermatology Times note the standard template may need more recovery nights with it. Prescription products follow your doctor’s instructions.
Is it purging or irritation?
Both can happen. The adapalene label says acne may look worse in the first weeks before it improves, and that irritation is most likely early on. Dr. Bowe writes that overusing actives causes irritation people often mistake for purging. Burning, stinging or peeling means slow down; if it doesn’t settle, see a dermatologist.
Does skin cycling work?
It hasn’t been tested as a routine: no published study compares the 4-night cycle with other schedules. Dermatologists see it as a sensible starting framework, especially if you’re new to actives, because its parts, a slow retinoid start and limited exfoliation, are supported.
Can I use two exfoliants on exfoliation night?
Our mixer rates AHA + BHA as “space out”: both acids peel away dead skin cells, so layering them can stack up stinging and redness. Both can also make skin more sensitive to sun. Using them at different times is gentler. Pick one per exfoliation night.
Sources
- Method: expert consensus (no study of the cycle itself)
- Pair verdicts from FDA labels and studies
American Academy of Dermatologyaad.org
- Retinoid or retinol? (2021)
Start every other night and build up slowly; use retinoids at night; protect your skin from the sun by day.
- How to safely exfoliate at home (updated Feb 2026)
Dry, sensitive or acne-prone skin: a mild chemical exfoliant. Exfoliating while using retinoids can worsen dryness. Don’t over-exfoliate; moisturize right after.
- How do I know if I’m using the right sunscreen? (updated Apr 2024)
Broad-spectrum sunscreen, SPF 30 or higher, water resistant.
- How to maximize results from anti-aging skin care products
Start with one product: several at once can irritate skin.
- Acne diagnosis and treatment (2024)
Adapalene is a non-prescription retinoid.
US Food and Drug Administrationfda.gov
- Alpha Hydroxy Acids
AHAs like glycolic acid raise sun sensitivity: use sunscreen while you use them and for a week after.
- Beta Hydroxy Acids
Use sun protection with beta hydroxy acid products like salicylic acid.
- Differin (adapalene) Gel 0.1% prescribing information, 2007
Particular caution with salicylic acid products.
DailyMed, US National Library of Medicinedailymed.nlm.nih.gov
- FDA label (DailyMed): Differin Gel, adapalene 0.1%
Adapalene, not retinol: avoid products with alpha hydroxy or glycolic acids, which may worsen irritation.
- FDA label (DailyMed): Anti-Acne salicylic acid lotion
Other topical acne medications at the same time may increase dryness or irritation. Retinol is not named.
- FDA label (DailyMed): Differin Gel 0.3%, prescribing information
Moisturizers with alpha hydroxy or glycolic acids should be avoided.
Cleveland Clinicclevelandclinic.org
- Glycolic acid: benefits for skin and how to use (Nov. 2025)
At first, you may want to avoid glycolic acid with retinol, vitamin C or other exfoliants.
Mayo Clinicmayoclinic.org
- Nonprescription acne treatment (2024)
One product in the morning, another at night, to prevent irritation.
Studies and other sources
- Dr. Whitney Bowe: Classic Skin Cycling, why it’s gone viral and how to do it (Aug 2022)drwhitneybowebeauty.com
The 4-night cycle: exfoliation night, retinoid night, two recovery nights with no acids or retinoids. A chemical exfoliant, not a gritty scrub.
- Dr. Whitney Bowe: Gentle Skin Cycling, 6 tips for sensitive skin (Oct 2022)drwhitneybowebeauty.com
Sensitive skin: exfoliation night then three recovery nights for 2–3 weeks; add the retinoid night only without burning, stinging or peeling. Start with an OTC retinol, wash an exfoliant off if it burns, buffer sensitive spots with moisturizer.
- Dr. Whitney Bowe: Advanced Skin Cycling, 5 tips (Sep 2022)drwhitneybowebeauty.com
Only after at least two classic cycles without irritation: exfoliation, retinoid, one recovery night.
- Dermatology Times: Social Media Mythbusters, Skin Cycling (June 2026)dermatologytimes.com
Coined by Dr. Whitney Bowe; exfoliation with an AHA or BHA. No published study has tested the 4-night sequence: a heuristic, not a tested protocol. Low tolerance, rosacea, eczema or tretinoin may need more recovery nights.
- PubMed search: “skin cycling” (Nov 8, 2026)pubmed.ncbi.nlm.nih.gov
No clinical trial of the skin cycling routine came up.