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What SPF level is recommended for lip balm? Dermatologists usually suggest at least SPF 30, but if youre out in the sun often or already dealing with pigmentation, an SPF 50 lip balm is a better choice
The compound exists in both reduced (GSH) and oxidized (GSSG) forms, with the reduced form being the active antioxidant state
Always double-check whether you are working in mg or mcg values
(PubMed) Ziegler D
For best results, apply after your Perricone MD serum, serum concentrate or facial cream
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