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Glycolic acid makes irritation more likely for dry or sensitive skin, as its deep penetration may cause redness or stinging

Researchers at Yonsei University in South Korea spent years studying why some people lose hair despite every treatment available, and what they found changed the conversation about peptide-based hair restoration entirely

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In a 2-year rat carcinogenicity study, intranasal administration of dihydroergotamine mesylate (0, 0.4, 0.8 or 1.6 mg/day for 13 weeks, followed by 0, 0.08, 0.24 or 0.8 mg/day for the remainder of the study) did not result in an increase in tumors

An injectable hydrogel for simultaneous photothermal therapy and photodynamic therapy with ultrahigh efficiency based on carbon dots and modified cellulose nanocrystals