Our source library
Sources & further reading
Provider pages establish what a brand markets. Clinical and regulatory sources establish the limits of the evidence. Accessed October 8, 2026.
- CoreAge Rx: Smooth MoveOfficial source; checked October 8, 2026
- CoreAge Rx: treatment catalog and plan termsOfficial source; checked October 8, 2026
- Musely: The Anti-Aging CreamOfficial source; checked October 8, 2026
- Musely: Anti-Aging Cream formulationsOfficial source; checked October 8, 2026
- Curology: HydroTret RxOfficial source; checked October 8, 2026
- Curology: HydroTret Rx safety informationOfficial source; checked October 8, 2026
- Medik8: Crystal RetinalOfficial source; checked October 8, 2026
- Siegenthaler et al.: retinol and retinal metabolism1990 laboratory work in cultured human keratinocytes, not a clinical speed comparison
- Differin: adapalene 0.1% gelOfficial source; checked October 8, 2026
- DailyMed: Differin 0.1% Drug FactsOfficial source; checked October 8, 2026
- AAD: retinoid or retinolOfficial source; checked October 8, 2026
- AAD: pregnancy skincareOfficial source; checked October 8, 2026
- FDA: compounded preparationsOfficial source; checked October 8, 2026
- DailyMed: RENOVA 0.02% prescribing informationOfficial source; checked October 8, 2026