[40] Proposed Mechanism of Action: Supports healthy tissues with antioxidants (vitamin C and vitamin E) Procyanidin, found in sea buckthorn, may promote healing and repair of mucosal cells by increasing growth factors Amino acids support protein synthesis and help with tissue repair Efficacy: In rats, sea buckthorn berry extract appeared to both prevent and treat ulcers that were induced by high levels of acetic acid
Compared to the control animals, those administered L-carnitine exhibited increases in L-carnitine metabolites such as L-carnitine (ratio: 4.4), butyrylcarnitine (ratio: 7.7), and O-acetylcarnitine (ratio: 14), and a decrease in the L-carnitine (LC)/acyl-L-carnitine (ALC) ratio (Fig
7.9 Azelaic acid Another clinical study was conducted in females with melasma to assess the effectiveness of topical liposomal azelaic acid 20% cream in comparison to the conventional hydroquinone 4% cream during a 3-month treatment course
And also to be clear, that initial observation took quite a long time to publish as well
Combinations to Avoid: Strong Exfoliating Acids (AHAs, BHAs) While both exfoliating acids (like glycolic or salicylic acid) and glutathione offer brightening benefits, combining them in the same routine can sometimes irritate the skin, especially if you have sensitive skin
doi: 10.1124/pr.110.004044 115 IresonCOrrSJonesDJLVerschoyleRLimCKLuoJLet al