Research library
Tretinoin, explained
12 guides, organized by the question you are trying to answer.
Research Guides
How long Tretinoin takes and what the first weeks look like in the sources
The time frames labels give for acne and fine wrinkles, and what sources report about irritation in the first weeks.
Irritation and side effects: what labels, trials and reviews report
The irritation and side effects that tretinoin labels, trials and reviews report, with each product and study length named.
Sun exposure, sunscreen and skin cancer with topical Tretinoin: what is known
What labels say about sunlight and sunscreen, and what a Veterans Affairs trial, its mortality analysis and animal data report on skin cancer.
Tretinoin with niacinamide and hyaluronic acid: what the evidence covers
The sources here do not test tretinoin, niacinamide and hyaluronic acid as one product; findings come from separate studies of other products.
Tretinoin for acne: what the label, trials, reviews and guideline report
What a tretinoin label, trial abstracts, reviews and a guideline abstract report for acne, with strength, length, size and comparison stated.
Tretinoin for photoaged skin: what the trials and labels report
Trial and review results on tretinoin for photoaged skin, each with its strength, beside what two cream labels say the product does not do.
What the prescribing information for Tretinoin creams says
Four tretinoin cream labels read side by side: which cover acne, which cover fine wrinkles, and what each says the product does not do.
Tretinoin cream, pregnancy and breastfeeding: what the labels and studies say
Pregnancy and breastfeeding wording from tretinoin product labels and a 2015 meta-analysis of topical retinoids.
Other options besides Tretinoin: what the sources say about retinol, adapalene and more
What sources say about retinol, adapalene, tazarotene, combination creams and oral isotretinoin, with any regulatory wording they give.
0.025%, 0.05% and 0.1% Tretinoin: what the sources compare
What a 48-week trial, a healthy-volunteer irritation study, a Cochrane review and labels report when tretinoin strengths are compared.
What compounded Tretinoin means and how it differs from FDA-approved products
What FDA says compounded drugs are and are not, the section 503A conditions, and the Drugs@FDA dates listed for the Retin-A creams.
What Tretinoin is and how it works
What tretinoin is, how product labels describe its action, and what is still unknown about its exact mechanism.
