Alpha Lipoic Acid
ALA, Thioctic acid
BGood evidence (some RCTs)Safety: Use with caution
Chemical Function
Universal antioxidant soluble in water and oil.
Scientific Evidence
Studies show antioxidant and anti-inflammatory effects; can be sensitizing.
Quality of EvidenceModerate
Interactions
Can be irritating; introduce slowly; use SPF.
Pro-Aging Relevance
Broad antioxidant defense for aging skin.
The Science Behind Alpha Lipoic Acid
Alpha lipoic acid is a small, versatile antioxidant that works in both water and oil. It can be sensitizing, so introduce it slowly and always with SPF.
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