Compare · Medications

Tretinoin vs Winlevi

Tretinoin: A prescription vitamin A cream or gel for acne. It works underneath the skin, on the plug that forms weeks before a pimple appears. Winlevi: The first cream that blocks hormones in the skin itself. It is the only topical treatment that works on the hormonal driver of acne, and it can be used by men and women.

Reviewed by Dr. Schwarz, Board-Certified Dermatologist
Tretinoin — Header ImageWinlevi — Header Image
Which one?At a glanceWhat it treatsDiagramsHow you take itResultsSide effectsSafetyCostWhen you stopQuestions

Which one is right for you?

Choose Tretinoin if…

Choose for acne or sun-aged skin as the classic, well-studied prescription retinoid — cheap as a generic.

  • Blackheads, whiteheads and pimples
  • Fine lines or sun spots
  • You'll use it nightly for at least 3 months

Choose Winlevi if…

Choose for acne with a hormonal driver when you want a cream rather than a pill — the only topical that targets it.

  • Hormonal-pattern acne
  • You can't or won't take hormonal tablets
  • Men or women aged 12 and up
Fine together

Can you take them together?

They work on different causes of acne. Apply at different times of day to limit irritation.

At a glance

● Tretinoin
● Winlevi
Type
Topical retinoid
Topical androgen blocker (clascoterone 1%)
What it does
Clears the plugs that form before pimples
Blocks hormones in the skin's oil glands
Best for
Acne; fine lines and sun damage
Hormonal acne in men and women
Prescription
Yes
Yes
Form
Cream or gel, 0.025–0.1%
Cream
How often
Once nightly, after a slow start
Twice daily
Course length
Ongoing
Ongoing
Time to results
8–12 weeks for acne
About 12 weeks
Main side effect
Dryness, peeling and stinging early on
Redness, dryness
Blood tests
None
None
Pregnancy
Avoid
Avoid
Cost
Low as a generic
High; brand only

What it treats

Compare uses by strength of evidence. Evidence level describes confidence in a benefit, not its size.

Evidence level
Tretinoin
Winlevi
Strong evidenceMost established uses
Inflamed acne on light skin. The spots sit in a patch of pink, and the ring of redness around each one is easy to see. A few have a yellow-white head, and the skin between them is dry and flaking.

Acne

Clears and prevents breakouts.
A relaxed forehead with faint shallow horizontal fine lines.

Wrinkles and Fine Lines

Softens lines with months of use.
—
Moderate evidenceSome supportive research
AI-generated educational illustration of Sun Spots: 1. Sun Spots Header — Light Skin; Lighter skin. Not a clinical photograph.

Sun Spots

Fades spots over time.
Flat light-brown residual marks on a fair cheek.

Post-Inflammatory Hyperpigmentation

Fades dark marks.
Inflamed acne on light skin. The spots sit in a patch of pink, and the ring of redness around each one is easy to see. A few have a yellow-white head, and the skin between them is dry and flaking.

Acne

Reduces breakouts in trials.
Limited evidenceEarly or small studies
—
Visible sebum shine and natural pores on the nose and cheek.

Oily Skin

Lowers oil production.
Little evidence
—
Hirsutism on light skin.

Hirsutism

Not approved for hair growth.
Not effective
A relaxed forehead with pronounced deep horizontal furrows.

Deep Wrinkles

Deep folds need procedures.
Acne scarring on light skin. Small sharply cut pits and broad shallow dips across a cheek, several sitting inside faint flat pink marks, with no active spots.

Acne Scarring

Doesn't change scars.
Can make it worse
Redness and fine superficial vessels across a light-skinned cheek and nose.

Rosacea

Irritates flushing skin.
—
How it works

Tretinoin

Tretinoin mechanism diagram. Unclogs pores: Reduces dead-cell buildup inside follicles. Helps fade dark marks: Helps clear pigment-containing cells as skin renews. Builds collagen: Helps fibroblasts produce new collagen. Reduces collagen breakdown: Reduces signals that increase collagen-cutting enzymes.
Open full-size diagram
Diagram explanation and sources

Unclogs pores: Reduces dead-cell buildup inside follicles. Helps fade dark marks: Helps clear pigment-containing cells as skin renews. Builds collagen: Helps fibroblasts produce new collagen. Reduces collagen breakdown: Reduces signals that increase collagen-cutting enzymes.

Conceptual illustration of the main skin effects, not every molecular pathway. Pigment clearance with epidermal renewal is a simplified mechanism; the exact pigment effects are not fully settled. Collagenase pathway evidence includes UV-challenge studies. Changes develop gradually with continued use.

Source 1 · Source 2 · Source 3 · Source 4

Winlevi

Winlevi. Clascoterone limits androgen signals in skin. 1. Blocks androgen receptors: Limits hormone signaling inside skin cells. 2. May reduce oil and inflammatory signals: These effects have been seen in laboratory sebocytes. 3. Helps reduce acne lesions: Both clogged and inflamed spots can improve.
Open full-size diagram
Diagram explanation and sources

Blocks androgen receptors: Limits hormone signaling inside skin cells. May reduce oil and inflammatory signals: These effects have been seen in laboratory sebocytes. Helps reduce acne lesions: Both clogged and inflamed spots can improve.

Androgen receptor inhibition is established. Reduced lipid and cytokine production were demonstrated in human sebocytes in vitro; their clinical contribution is not fully established. The label states the complete acne mechanism is unknown.

Source 1 · Source 2

How you take it

Treatment plan

When to Apply: At night only, on clean dry skin. Wash, dry fully, then spread a pea-sized amount over the whole face — not just the spots. Moisturizer before or after, either way.

How to Start: Every other night for two to four weeks. Go nightly once you have had two weeks with no stinging or flaking.

If It Irritates: Drop to every second or third night, or put moisturizer on first and the tretinoin on top. Either works.

If It’s Not Working: Give it twelve weeks before judging. If acne has stalled, ask your doctor about a higher strength or a second treatment.

When to Apply: Twice a day, morning and night, on clean dry skin. A fingertip of cream over the whole area. Sunscreen or moisturizer goes on top once it dries.

How to Start: Twice daily from day one — and twice daily is the part people quietly drop.

If It Irritates: Mild dryness or redness early on is usually the base, not the drug, and moisturizer underneath settles it.

If It’s Not Working: One strength, so nothing to increase. Give it twelve weeks, then ask about adding another treatment.

Monitoring

No blood tests and no routine labs. Monitoring is a visit at about twelve weeks — is it working, should the strength change?

People stay on this for years, and nothing builds up. Skin usually becomes less irritated over time, not more, so a strength that was impossible at the start may be comfortable a year in. Once you are stable, a yearly review is enough.

No routine blood tests in a healthy person. Monitoring is a review at about twelve weeks.

The exception is kidney or adrenal problems, or drugs that raise potassium — then a doctor may check it. People can stay on it long term; nothing accumulates, because it breaks down quickly after absorption. The recurring issue is cost and coverage, not safety.

When you’ll see results

Approximate windows, not promises.

● Tretinoin
● Winlevi
First few minutes

First few minutesApplying it: A pea-sized amount on dry skin at night. Stinging is common early.

Weeks 1 to 3

Weeks 1 to 3Adjusting: Dryness, flaking and stinging peak around week three. This is retinization, and the acne looks much the same.

Weeks 3 to 12

Weeks 3 to 12Settling: Irritation settles and the first real results show.

Weeks 4 to 8

Weeks 4 to 8Sun spots: Sooner than most expect. Dark patches lighten within a month or two and keep fading; in one ten-month trial, 83 percent had lighter spots by the end.

Weeks 4 to 8Oiliness often drops before spot counts.

Weeks 8 to 12

Weeks 8 to 12Judge it here for acne: Blackheads and whiteheads go first; red inflamed spots take longer. If nothing has changed after twelve weeks, change the strength or the plan.

Months 3 to 6

Months 3 to 6Fine lines: They soften gradually with nightly use.

Weeks 1 to 4

Weeks 1 to 4Little visible change, maybe mild dryness.

After 12 weeks

After 12 weeksJudge it here. Trials measured their main result here, and many kept improving past it.

Side effects

Sorted by what to do about them.

Tretinoin

Winlevi

Common
Common
  • Dryness, peeling and stinging in the first weeks
  • A temporary flare of small bumps
  • Burning more easily in the sun
Common
  • Redness, dryness, peeling
  • Itch or stinging
Tell your doctor
Tell your doctor
  • Irritation still building after 6 weeks
Tell your doctor
  • Irritation that doesn't settle
Stop and get care
Stop and get care
  • Blistering, swelling or hives
Stop and get care
  • Tiredness, nausea or dizziness with large-area use (rare adrenal effect)

Safety and who should avoid it

Pregnancy
Avoid
Not recommended in pregnancy.
Avoid
No reliable data; generally paused.
Breastfeeding
Ask first
Discuss with your clinician.
Avoid
Ask before starting.
Children
12 and older
Approved from 12 for most products.
12 and older
Approved from 12.
Monitoring
None
Review at 12 weeks.
None
Judge at 12 weeks.
Key interactions
Check
Older formulas are broken down by benzoyl peroxide; other retinoids; waxing.
None known
—
Other cautions
Use care
Rosacea and eczema.
Use care
Large areas, especially in younger teens.

Cost and getting it

Getting it and cost

Generic tretinoin cream and gel are widely available and usually the cheapest prescription retinoid. What costs money is the newer vehicles — branded lotions, microsphere gels and combination creams often need prior authorization and can cost many times a plain generic tube.

Adapalene is a related retinoid sold without a prescription and a reasonable substitute if cost is the barrier. It is gentler, it is stable alongside benzoyl peroxide by design, and the guidelines grade the two in the same band.

Brand only, no generic. Among the most expensive topical acne treatments, with inconsistent coverage. Prior authorization is common, and plans usually want a retinoid and benzoyl peroxide first. Savings cards exist and change often.

When you stop

Comes back?
Acne returns within months; many use it long term.
Acne returns after stopping.
Taper needed?
No.
No.
After the last dose
Skin sensitivity settles within weeks.
Nothing special.

Common questions

Tretinoin:Does tretinoin make acne worse before it gets better?

No, and it is the most repeated claim about the drug. A review hunting for trial data on retinoid-induced flares found none — acne improved even in the first couple of weeks. What does happen is irritation — dryness, flaking and redness peaking around week three and settling by week twelve. That can make your face look angrier without new spots. Lesions genuinely worse at week six are information, not a phase to endure.

Tretinoin:Can I just use it on the spots?

No. It prevents the next spot rather than treating today's, so it goes on the whole area that breaks out.

Tretinoin:Is the peeling how I know it is working?

No. Plenty of people stop peeling by week four and keep clearing. Chasing peeling is how people end up on a strength they cannot stay on.

Tretinoin:Will it thin my skin?

The opposite, over time. It briefly thins the dead surface layer, which is why skin feels smoother and burns more easily early on. Underneath it thickens the living layer and increases collagen — measured on biopsy.

Tretinoin:Why at night?

Your skin is more sun-sensitive on it, and daylight destroys the drug. After eight hours of UVA a conventional gel lost about 72% of its tretinoin and a micronized one lost about 9%.

Tretinoin:Can I use it with benzoyl peroxide?

Usually yes. The warning comes from a lab test, not from patients — tested properly, the two in one routine worked as well as spacing them apart, and there is now an approved single cream containing both. With a plain older gel, use one in the morning and the other at night.

Tretinoin:Is it safe in pregnancy?

It is not recommended in pregnancy, and it is not oral isotretinoin — the two get confused constantly. Published data on topical tretinoin do not show more birth defects, and the newest FDA labels say no drug-associated risk has been established. There is real reassurance if you used it before you knew. Stop once you know, and speak to the doctor managing your pregnancy.

Winlevi:Can men use it?

Yes. It is inactivated quickly after absorption, so it skips the breast tenderness and libido changes of oral anti-androgens.

Winlevi:Does it replace spironolactone?

Usually not. It is milder, for people who cannot take spironolactone or want to avoid a tablet and blood tests.

Winlevi:Do I need blood tests?

Not for routine use. Potassium may be checked with kidney disease or drugs that raise it.

Winlevi:Can I use it with tretinoin?

Yes, a common combination. Clascoterone in the morning, retinoid at night.

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