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Skin Quality

Skin quality tends to refer to an overall evaluation on (facial) skin parameters such as tightness, moisture content, and clearness from acne. Supplements that improve skin quality can be taken orally or topically as a cream.

Research analysis led by .
Reviewed by
Examine.com Team
Last Updated:

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Human Effect Matrix

The Human Effect Matrix looks at human studies (it excludes animal and in vitro studies) to tell you what supplements affect skin quality.
Grade Level of Evidence
Robust research conducted with repeated double-blind clinical trials
Multiple studies where at least two are double-blind and placebo controlled
Single double-blind study or multiple cohort studies
Uncontrolled or observational studies only
Level of Evidence
? The amount of high quality evidence. The more evidence, the more we can trust the results.
Supplement Magnitude of effect
? The direction and size of the supplement's impact on each outcome. Some supplements can have an increasing effect, others have a decreasing effect, and others have no effect.
Consistency of research results
? Scientific research does not always agree. HIGH or VERY HIGH means that most of the scientific research agrees.
Notes
grade-b - - See all 3 studies
grade-c Minor Very High See 2 studies
One study found a reduction in wrinkles and improvement in elasticity, while another found a reduction in roughness and improvement in subjectively rated texture.
grade-c Minor - See study
Limited evidence supports its efficacy, difficult to assess potency due to no reference drug.

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By becoming an Examine Plus member, you'll have access to all of the latest nutrition research on over 300 supplements across over 500 different health goals, outcomes, conditions, and more.