Description
A-ret (Tretinoin) 0.1% gel
A-ret 0.1% gel contains tretinoin, a topical retinoid used in acne treatment. Tretinoin is the acid form of vitamin A and is used on the skin to help treat acne vulgaris.
Active Ingredient and Medicine Class
Active ingredient: tretinoin.
Medicine class: topical retinoid. Tretinoin is a prescription dermatologic medicine in this class.
Established Medical Uses
Tretinoin is established for the topical treatment of acne vulgaris. Regulatory labeling for tretinoin gel products supports use for acne, and clinical reviews describe topical retinoids as effective for comedonal and inflammatory acne lesions.
How It Works
Tretinoin helps normalize how skin cells are shed inside hair follicles. Official labeling states that it reduces the stickiness of follicular epithelial cells, helps lower microcomedone formation, and increases turnover of follicular cells so comedones are extruded. In practice, this helps reduce clogged pores that contribute to acne.
Important Safety Information
Tretinoin should not be used by people with known hypersensitivity to the product or any of its ingredients. Topical retinoid labels also warn that skin irritation can occur, and other topical acne products may add to irritation. Tretinoin products are for topical use only and should not be used in the eyes, mouth, or other mucous membranes.
Possible Side Effects
Common adverse effects include skin redness, dryness, peeling, burning, itching, and irritation at the application site. Review data and labeling also note that topical tretinoin may cause irritation severe enough to limit tolerability in some users. Less common but more serious reactions include marked hypersensitivity or significant inflammatory skin reactions.
Scientific Evidence
Peer-reviewed reviews in PubMed support topical tretinoin as an effective acne treatment, especially for comedonal lesions and as part of maintenance therapy. Evidence reviews also note that topical retinoids have direct anti-inflammatory effects and remain a core option in acne management, although tolerability varies among formulations.
Medical Information Notice
This summary is based on sources available at the time of review and is for educational purposes only. It does not replace the official patient leaflet, prescribing information, or assessment by a qualified healthcare professional.
Medical Sources
- DailyMed — Tretinoin Cream and Tretinoin Gel: Prescribing Information
- DailyMed — Tretinoin Gel (Microsphere): Prescribing Information
- S. K. Gollnick et al. — “Topical retinoids in acne–an evidence-based overview.” Journal of the European Academy of Dermatology and Venereology (2008). PubMed
- Hilary Baldwin et al. — “Tretinoin Review With Newer Formulations: Providing Effective and Tolerable Solutions in Clinical Practice.” Journal of Drugs in Dermatology (2023). PubMed