Bottom line
Tretinoin is an important acne treatment, and it should have appeared prominently on the previous version of this page. Current acne guidelines strongly recommend topical retinoids as a class. That class includes tretinoin, adapalene, tazarotene, and trifarotene. The same guidelines strongly recommend benzoyl peroxide and several other treatments, while reserving oral isotretinoin for severe, scarring, or treatment-resistant acne. [1]
Our earlier article ranked treatments by the number of findings extracted into our evidence database. That was not the same as counting studies, assessing study quality, or searching the entire acne literature. A single study could contribute several findings, while an important treatment could look underrepresented if fewer of its studies had been added to the database. The result was a misleading ranking. We have removed it.
This page now explains what selected high-quality evidence says and where the important limits are. It is not a systematic review or a comprehensive search of every acne study, so it cannot tell you which treatment has received the most total research.
The evidence is limited by differences in study populations, doses, formulations, combinations, and follow-up periods.
Where tretinoin fits
Tretinoin is a prescription topical retinoid with a long history of use for acne. It helps keep pores from clogging and is commonly used as part of a longer-term acne plan. The 2024 American Academy of Dermatology guideline strongly recommends topical retinoids and specifically discusses tretinoin alongside adapalene, tazarotene, and trifarotene. [1]
A meta-analysis pooled five randomized trials with 900 patients that directly compared adapalene 0.1% gel with tretinoin 0.025% gel. Both reduced acne lesions to a similar degree by the end of treatment. Adapalene worked somewhat faster during the first weeks and was generally better tolerated. [2]
That comparison helps explain why adapalene is often attractive for sensitive skin. It does not show that adapalene has a deeper overall evidence base than tretinoin.
What direct comparisons can tell us
A 2024 systematic review and network meta-analysis included 35 randomized trials and 33,472 participants with mild to moderate acne. Most single treatments did not differ significantly from one another across the available comparisons. Some combination treatments, including clindamycin with tretinoin, produced larger lesion reductions than several alternatives. [3]
The practical lesson is that there is no honest single ranking that works for everyone. Direct comparisons answer specific questions about a particular dose, formulation, combination, population, and follow-up period. They do not automatically establish a universal treatment order.
Common treatment options
| Treatment | Where it may fit | Important considerations |
|---|---|---|
| Tretinoin or another topical retinoid | Clogged pores, inflammatory acne, and maintenance after improvement | Irritation is common at first. Pregnancy plans and skin sensitivity matter. |
| Benzoyl peroxide | Inflamed acne and antibiotic-resistance prevention | Can dry or irritate skin and bleach fabric. |
| Azelaic acid | Acne with redness or dark marks, especially when a gentler option is needed | Results can take time. Stinging or irritation can occur. |
| Spironolactone | Selected adult women, particularly with jawline flares or other hormonal clues | Blood pressure, kidney function, potassium, medicines, and pregnancy potential require review. |
| Oral antibiotics | Moderate to severe inflammatory acne for a limited course | Usually paired with topical treatment. Long-term antibiotic-only treatment is discouraged. |
| Oral isotretinoin | Severe, scarring, distressing, or treatment-resistant acne | Requires close clinical follow-up and strict pregnancy precautions when applicable. |
How clinicians choose among these options
The best plan depends on what the acne looks like and what else is going on. Blackheads and clogged pores often point toward a topical retinoid. Inflamed bumps may call for benzoyl peroxide, an antibiotic combination, or another anti-inflammatory approach. Deep nodules, scarring, or repeated treatment failure can make isotretinoin more relevant. Jawline flares in an adult woman may make spironolactone worth discussing.
The best fit also depends on what someone can use consistently. A clinician may consider pregnancy plans, other medicines, treatment cost, and whether a cream, gel, or oral option is realistic before recommending a candidate treatment.
Dry or reactive midlife skin also changes how a treatment is introduced. A medicine can be effective in a trial and still be difficult to use if the starting schedule causes too much burning or peeling. Moisturizer, sunscreen, dose frequency, formulation, and combination choices all affect whether a plan is realistic.
Safety questions and red flags to cover first
Before starting prescription acne treatment, discuss pregnancy or pregnancy plans, kidney disease, blood pressure, other medicines, severe mood symptoms, inflammatory bowel disease history, and any sudden change in acne accompanied by facial hair, scalp hair loss, or other signs of androgen excess. The relevant questions differ by treatment.
Seek prompt medical care for rapidly worsening painful acne, spreading infection, severe medication reactions, or acne accompanied by virilizing symptoms. A changing or bleeding skin lesion should also be examined rather than treated as an ordinary pimple.
What this review includes
We used current acne guidance, systematic reviews, and selected direct-comparison studies to correct the earlier page. We did not perform a new systematic search of every database, screen every eligible paper, or formally grade the certainty of every comparison. For that reason, this article describes the evidence we reviewed without claiming to rank the total evidence behind each treatment.
What to ask your clinician
- Is this clearly acne, or could it be rosacea, folliculitis, dermatitis, or a medication reaction?
- Would tretinoin, adapalene, or another topical retinoid make the most sense for my skin?
- How slowly should I start if my skin is dry or sensitive?
- Do I have scarring or severity that makes oral isotretinoin worth discussing?
- If spironolactone is considered, what safety checks do I need?
Related reading
- Acne after menopause and treatment options
- Does spironolactone cause weight gain?
- How much does tretinoin cost without insurance?
References
[1] Reynolds RV, Yeung H, Cheng CE, et al. Guidelines of care for the management of acne vulgaris. J Am Acad Dermatol. 2024;90(5):1006.e1-1006.e30. doi:10.1016/j.jaad.2023.12.017 https://pubmed.ncbi.nlm.nih.gov/38300170/
[2] Cunliffe WJ, Poncet M, Loesche C, Verschoore M. A comparison of the efficacy and tolerability of adapalene 0.1% gel versus tretinoin 0.025% gel in patients with acne vulgaris: a meta-analysis of five randomized trials. Br J Dermatol. 1998;139 Suppl 52:48-56. doi:10.1046/j.1365-2133.1998.1390s2048.x https://pubmed.ncbi.nlm.nih.gov/9990421/
[3] Kakpovbia EE, Young T, Milam EC, et al. Efficacy of topical treatments for mild-to-moderate acne: A systematic review and meta-analysis of randomized control trials. J Eur Acad Dermatol Venereol. 2025;39(4):775-784. doi:10.1111/jdv.20154 https://pubmed.ncbi.nlm.nih.gov/38943431/
[4] Santer M, Lawrence M, Renz S, et al. Effectiveness of spironolactone for women with acne vulgaris (SAFA) in England and Wales: pragmatic, multicentre, phase 3, double blind, randomised controlled trial. BMJ. 2023;381:e074349. doi:10.1136/bmj-2022-074349 https://pubmed.ncbi.nlm.nih.gov/37192767/