It’s a prescription-only retinoid that’s commonly referred to as tret, Retin-A, or Altreno ... will help you determine the proper strength of tretinoin for your skin, ensuring it’s effective ...

There are several different Rx brands of tretinoin that dermatologists prescribe; Altreno and Retin-A are two of the ... “Tretinoin is available in various strengths, both as creams and gels ...

Tretinoin 0.025%, 0.05%, 0.1%. The exact mode of action of tretinoin is unknown. It is suggested that topical tretinoin decreases cohesiveness of follicular epithelial cells with decreased ...