PMID:1981544 Nerland DE, Pierce WM Jr
Yes, protect from direct light
Considering its used off-label (that is, for reasons other than acne) to prevent aging, this is literally the opposite of what youd expect or hope to happen
The hypertrophy may show a lobular distribution, with the pattern of lobular zonation and severity reflecting species, strain, and sex differences in addition to effects from specific xenobiotics
Thiamine (B1) 100mg/mL: Improves your immune system, and helps convert fat and carbs into energy
I know others have experienced it (you can read the super detailed review from one of my skincare heroines, fiftyshadesofsnail) but I use so many other treatments that I cant be definitive about it