Alternative methods of treating skin discoloration, such as dermabrasion, require scheduled treatments and a healing period of several days or weeks, which Hyde hydroquinone 3% cream does not require
Pharmaceuticals 11 , 27 (2018)
Never freeze reconstituted peptide, as ice crystals damage molecular structure
However, many reported GSH-responsive systems demonstrate incomplete drug release under physiological intracellular GSH levels (110 mM), suggesting an overestimation of redox sensitivity in vitro
The topical skin evidence is meaningful
If that was not enough, Wikipedia claims that BP-3 is nowadays the most common allergen found in sunscreens, and the always-trustworthy smartskincare writes that "[benzophenones] have been shown in some studies to promote the generation of potentially harmful free radicals"