Chondroitin
Human studies reported a within-group change in skin dryness/scaling.
combination-ingredient studies · Individual ingredient effects cannot be separated · Human studies · within-group comparison
Publications for this result: 1
Skin, hair, and nails
Research reporting outcomes related to skin, hair, and nails.
View Skin, hair, and nails research
Collagen
Studies with an unspecified organism reported between-group improvement in Skin hydration.
Single-ingredient studies · Population not specified · between-group comparison
Publications for this result: 2
Hyaluronic Acid
Partial research summary
Studies with an unspecified organism reported a change with no confirmed comparison group in Skin Hydration.
Single-ingredient studies · Human studies · Population not specified · comparator not confirmed
Publications for this result: 2 (1 awaiting review included)
Other research records (11)
The counts above cover the selected topic only. This section also includes other topics, research without a confirmed comparison, animal or cell studies, and findings whose interpretation is held.
Biotin
View Skin, hair, and nails researchSome findings are held for review
Some papers have not cleared source or result review, so their findings are not summarized yet.
No confirmed result is available to summarize with study conditions.
A distinct publication count is not available.
Caffeine
View Skin, hair, and nails researchSome findings are held for review
Some papers have not cleared source or result review, so their findings are not summarized yet.
No confirmed result is available to summarize with study conditions.
Publications for this result: 1 (1 awaiting review included)
Coenzyme Q10
View Skin, hair, and nails researchSome findings are held for review
Some papers have not cleared source or result review, so their findings are not summarized yet.
No confirmed result is available to summarize with study conditions.
Publications for this result: 1 (1 awaiting review included)
Creatine
View Skin, hair, and nails researchSome findings are held for review
Some papers have not cleared source or result review, so their findings are not summarized yet.
No confirmed result is available to summarize with study conditions.
A distinct publication count is not available.
Niacin
View Skin, hair, and nails researchSome findings are held for review
Some papers have not cleared source or result review, so their findings are not summarized yet.
No confirmed result is available to summarize with study conditions.
A distinct publication count is not available.
Probiotics
View Skin, hair, and nails researchSome findings are held for review
Some papers have not cleared source or result review, so their findings are not summarized yet.
No confirmed result is available to summarize with study conditions.
A distinct publication count is not available.
Vitamin C
View Skin, hair, and nails researchSome findings are held for review
Some papers have not cleared source or result review, so their findings are not summarized yet.
No confirmed result is available to summarize with study conditions.
Publications for this result: 1 (1 awaiting review included)
Vitamin D
View Skin, hair, and nails researchSome findings are held for review
Some papers have not cleared source or result review, so their findings are not summarized yet.
No confirmed result is available to summarize with study conditions.
Publications for this result: 1 (1 awaiting review included)
Vitamin E
View Skin, hair, and nails researchSome findings are held for review
Some papers have not cleared source or result review, so their findings are not summarized yet.
No confirmed result is available to summarize with study conditions.
A distinct publication count is not available.
Vitamin K
View Skin, hair, and nails researchSome findings are held for review
Some papers have not cleared source or result review, so their findings are not summarized yet.
No confirmed result is available to summarize with study conditions.
A distinct publication count is not available.
Zinc
View Skin, hair, and nails researchSome findings are held for review
Some papers have not cleared source or result review, so their findings are not summarized yet.
No confirmed result is available to summarize with study conditions.
A distinct publication count is not available.