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Story perspectives

Experts Warn: Collagen Supplements May Misfire on Skin

9/28/2025

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Summary

Story summary

Oral and topical collagen have limited evidence; supplements may not target the skin and can be redirected to other organs.
Collagen declines starting around age 25, at about 1% per year.
Some dermatologists advise 'banking' collagen early; marine collagen is preferred orally for higher type 1 content, while topical creams typically do not penetrate beyond the outer skin layer.

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Story summary

Oral and topical collagen have limited evidence; supplements may not target the skin and can be redirected to other organs.
Collagen declines starting around age 25, at about 1% per year.
Some dermatologists advise 'banking' collagen early; marine collagen is preferred orally for higher type 1 content, while topical creams typically do not penetrate beyond the outer skin layer.