I became its prisoner and I belonged to it forever
Tretinoin is the stronger, synthetic version of vitamin A and is likely to cause irritation for the first few weeks of use, so it is not always suitable for sensitive skin
Jin M, Shi C, Li T, Wu Y, Hu C, Huang G
These figures describe the published literature, not recommended human applications
Further embodiments include a thermoreversible gel in the otic pharmaceutical formulation, such that upon preparation of the gel at room temperature or below, the formulation is a fluid, but upon application of the gel into or near the auris interna and/or auris media target site, including the tympanic cavity, round window membrane, or the crista fenestrae cochleae, the otic-pharmaceutical formulation stiffens or hardens into a gel-like substance