Ingredient outcome record

Vitamin C

INCI · Ascorbic Acid

Educational summary of what published research and member-aggregate observations suggest about Vitamin C. Sample size: 250 observations across 1 data point. Individual results vary.

Outcome data by skin type

How the data breaks down.

All skin types

40%

Reported improvement in hyperpigmentation after 12 weeks. Based on 250 observations across 1 data point.

Individual results vary

Across age ranges

How reports differ by age.

Age	Concern	Skin type	Duration	Reported improvement	n
25-55	hyperpigmentation	all	12 weeks	40%	250

Individual results vary. Educational reference only, not a guarantee.

Duration vs reported improvement

What research suggests about time.

hyperpigmentation

Each point is a published study or member-aggregate observation. Individual results vary, this is research data, not a prediction.

Where this data comes from

Sources.

Clinical Study
Espinal-Perez et al 2004
hyperpigmentation · all · 25-55 · 12 weeks
40%
n = 250

Vault research

Studies mentioning Vitamin C

Browse the peer-reviewed literature curated in the Vault.

Skin Intelligence Library

Deep skin education

The science of barriers, inflammation, hormones, and more.

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