Curology Review: Does the Custom Formula Work for Acne?

Curology can work well for mild to moderate acne, though results vary. A licensed dermatology provider reviews your photos and prescribes a compounded cream, usually built from actives such as tretinoin, clindamycin, azelaic acid and niacinamide, which have real acne evidence behind them. Curology says most members improve within 4 to 6 weeks, some need 8, and after the trial month it costs $59.90 per 60-day bottle.

Below we walk through how sign-up and the provider consult work, what tends to go into the formula, what you pay after the trial, how long purging lasts, and how to cancel. This is an ingredient-and-evidence review built from Curology's own published policies and independent medical sources; we did not run a personal trial. Prices are as of October 2026.

Is there a better alternative?

It depends on what you need. If you want a prescription, Curology or a similar telehealth service is the right kind of tool, and we compare the options in our guide to Curology alternatives. If what you want is to understand your skin and check products before you buy them, Pori is the app we make for that. It reads a selfie in about 10 seconds and gives a 0 to 100 skin score with sub-scores for hydration, pores and texture, pigmentation and tone, and aging signs, and its Pro ingredient scanner flags each ingredient as beneficial, use with caution or avoid for your skin type. Pori doesn't prescribe or diagnose anything, so you could use it to log progress photos alongside a service like Curology.

How does Curology work?

You answer an online skin questionnaire, upload photos, and a provider licensed in your state writes a prescription. Curology says every member is paired with a board-certified physician, physician assistant or nurse practitioner who works alongside its dermatologists, and that providers typically reply within 2 to 3 days. The steps look like this:

1. Skin quiz. Questions about your skin, history, medications and goals.
2. Photos. Curology requires at least three makeup-free, filter-free photos: one front-facing and one of each side in profile, ideally in natural light.
3. Treatment plan. The provider picks your actives and strengths. If you've used tretinoin before, say so.
4. Trial bottle. It ships within 3 business days of your plan being ready.
5. Full-size bottles. The first ships 30 days after the trial, then every 60 days automatically.

Curology is open to new patients in all 50 states and Washington, D.C., but not internationally, and not in Guam, Puerto Rico or the US Virgin Islands. It treats acne, rosacea and anti-aging concerns only, and doesn't take acne patients under 13; teens aged 13 to 18 need a parent or guardian's consent.

What's in the Curology custom formula?

Most Custom Formula bottles combine three prescription or active ingredients chosen for you. Curology lists its commonly used actives as clindamycin, azelaic acid, tretinoin, niacinamide, zinc pyrithione, tranexamic acid, metronidazole, ivermectin and spironolactone. The base is fragrance-free with a pH of roughly 4 to 5, and every formula containing tretinoin also contains the antioxidant BHT. Your exact mix and strengths appear on your bottle label and on the treatment page in your account.

The guideline grades come from the American Academy of Dermatology's 2024 guidelines of care for acne, which give strong recommendations to benzoyl peroxide, topical retinoids, topical antibiotics and oral doxycycline, and recommend combining topical treatments that work in different ways. That combination logic is the core of Curology's pitch. One caveat: Curology's safety page notes that clindamycin used alone can lead to bacterial resistance, and says its clindamycin formulas also contain zinc and/or azelaic acid to help. Benzoyl peroxide, the usual partner for clindamycin, isn't in the bottle, so ask your provider whether you should add a benzoyl peroxide wash. For background on the key ingredients, see our guides to tretinoin and azelaic acid.

How much does Curology cost after the trial?

The Custom Formula costs $59.90 per shipment with free shipping, which Curology describes as $29.95 a month, since each bottle is sized to last about 60 days. The first box is a 30-day trial; the product page currently offers the first 30-day box for $14.95 (shown down from $29.95) for new subscribers, and notes that shipping and consultation fees may apply. Earlier in 2026 the same offer was a free first month with $5.45 shipping.

Each shipment includes one consultation credit for starting a new conversation with your provider, and credits don't expire. Curology doesn't accept health insurance, though several products, including the Custom Formula, may be eligible for HSA or FSA cards. For comparison, Nurx lists generic tretinoin cream at $60 for a 2-month supply after a $40 consultation, and can bill insurance, so a single generic retinoid can cost about the same or less. What Curology's price buys is the combination of several actives in one bottle plus ongoing provider messaging.

How long does Curology purging last?

Curology's own guide says purging typically lasts 6 to 8 weeks. Retinoids such as tretinoin speed up cell turnover, which can bring existing clogged pores to the surface as a temporary rise in breakouts. MedlinePlus gives a similar picture for tretinoin on its own: acne often gets worse during the first 7 to 10 days, then improves within 2 to 3 weeks, and sometimes takes more than 6 weeks.

Curology's safety guidance suggests a few ways to ease the adjustment period:

• Wait 10 to 20 minutes after washing before applying the formula.
• Start every other night and build up as your skin tolerates it.
• Skip scrubs, exfoliating acids and facial waxing while using tretinoin.
• Wear a broad-spectrum SPF 30 or higher every day, and stop if you get sunburned.

Purging should show up where you usually break out and fade within weeks. Breakouts in new places, hives, swelling or burning that doesn't settle are reasons to message your provider. Our guide to purging vs a breakout covers how to tell them apart.

What results can you realistically expect?

Expect gradual improvement over two to three months, with setbacks along the way. Curology says it can't judge how you're responding until 6 to 8 weeks have passed, although most members see improvement within 4 to 6 weeks, and that results range from dramatic change in a few weeks to very subtle change after a year. The AAD gives a similar rule of thumb for acne treatment in general: at least 6 to 8 weeks before you see fewer breakouts.

Curology's product page advertises that 90.5% of patients saw improvement at 3 weeks, but its footnote says this was a self-reported result from 150 patients, so treat it as a company figure rather than independent proof. Curology is also candid that no topical permanently cures acne; you keep using a treatment while it's working.

Curology isn't the right fit for every kind of acne. It doesn't prescribe isotretinoin, which needs in-person monitoring, and it doesn't treat eczema, psoriasis or seborrheic dermatitis. If you have deep, painful nodules, scarring or acne that hasn't responded to several treatments, see a board-certified dermatologist in person; in-person care has more options for that kind of acne. Taking the same photo in the same light every couple of weeks makes the 6 to 8 week check-in far more useful, and we cover how in how to track acne progress.

Is Curology safe during pregnancy?

Some formulas are, and some aren't. Curology's safety information says not to use a formula containing tretinoin, clindamycin, spironolactone or ivermectin while pregnant or breastfeeding, and not to use tretinoin or spironolactone while trying to conceive. Curology does accept pregnant and nursing patients and can prescribe a formula considered safe, but tell your provider your status before you start and check with your obstetrician. The formula isn't recommended for anyone under 13.

How do you cancel Curology?

You can cancel yourself at any time from the payment page in your account. Curology's instructions are to click "I want to cancel" at the bottom of the payment page and finish the whole cancellation flow; pausing doesn't cancel. A few details matter:

• Make changes at least 2 business days before your next shipment date. A shipment that's already processed won't be canceled by ending your subscription.
• Curology doesn't accept returns of subscription products, and all purchases are final sale.
• New members can claim a one-time Satisfaction Guarantee covering the trial and first full-size shipment, but only within 90 days of the trial order, after completing two check-ins with photos sent to your provider. Shipping and handling fees aren't refunded.

Is Curology worth it?

Curology is worth trying if you have mild to moderate acne, can't easily see a dermatologist, and like the idea of one bottle that combines a retinoid with other actives at strengths a provider can adjust. The trial is cheap, and the provider messaging is a real benefit when you're working through irritation. It's a weaker deal if your insurance covers generic tretinoin or clindamycin, if you need oral medication beyond what a telehealth provider will prescribe, or if you have severe or scarring acne that needs in-person care.

Whichever route you choose, judge it at the 8 to 12 week mark with consistent photos, and talk to your provider before you quit or switch.