Ingredient
Hydroxydecyl Ubiquinone
CoQ10 Derivative
HDQ
What it is
Hydroxydecyl Ubiquinone is a synthetic antioxidant molecule structurally related to Coenzyme Q10, used in anti-aging serums and moisturizers.
How it works
It neutralizes free radicals generated by UV and environmental exposure, helping to protect skin cells from oxidative stress.
What it does
Skin conditioning
Antioxidant
Concerns to know
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Contact allergen
Can act as a skin sensitiser for a minority of people; patch test if your skin is reactive.