Ingredient outcome record

Retinol

Educational summary of what published research and member-aggregate observations suggest about Retinol. Sample size: 300 observations across 1 data point. Individual results vary.

Outcome data by skin type

How the data breaks down.

normal skin

58%

Reported improvement in aging after 24 weeks. Based on 300 observations across 1 data point.

Individual results vary

Across age ranges

How reports differ by age.

Age	Concern	Skin type	Duration	Reported improvement	n
35-55	aging	normal	24 weeks	58%	300

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

Duration vs reported improvement

What research suggests about time.

aging

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
Kafi et al 2007
aging · normal · 35-55 · 24 weeks
58%
n = 300

Ingredient Library

Retinol explained

What it is, how it works, what to look for.

Vault research

Studies mentioning Retinol

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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