Start by identifying the active
Retinoid is a broad term for vitamin A-related compounds. AAD distinguishes several prescription medicines, nonprescription adapalene and cosmetic retinol products. Retinal is another ingredient encountered in cosmetic skincare.[source]
Write down the full name from the label before comparing percentages. Tretinoin, retinal and adapalene are not alternate spellings of one substance, and a familiar brand may sell more than one category.
Match the product to the concern
Differin 0.1% has acne Drug Facts, while Crystal Retinal is sold as a cosmetic night serum. The custom tretinoin services in this register involve a prescribing assessment.[source][source]
A product’s intended role should remain visible even when a comparison groups the family together. An acne medicine does not acquire an approved wrinkle indication from another retinoid’s evidence.
Compare the formulation and care after the molecule
Once the ingredient and purpose are clear, look at the base, additional actives, supply and access to professional review. These practical differences can matter more than an impressive-looking strength number.
If the underlying diagnosis is uncertain or the decision involves a prescription, bring those details to a clinician. The register is a reference for asking better questions, not a conversion chart for replacing a medicine with a cosmetic or selecting a stronger dose.
Sources & further reading
Provider pages establish what a brand markets. Clinical and regulatory sources establish the limits of the evidence. Accessed October 8, 2026.
- AAD: retinoid or retinolOfficial source; checked October 8, 2026
- DailyMed: Differin 0.1% Drug FactsOfficial source; checked October 8, 2026
- Medik8: Crystal RetinalOfficial source; checked October 8, 2026