Evidence supporting the use of: Haematococcus pluvialis
For the health condition: Wrinkles

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Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Haematococcus pluvialis is a microalga known for its high content of astaxanthin, a potent carotenoid antioxidant. Scientific evidence supports astaxanthin’s role in skin health, particularly in the context of photoaging and wrinkle formation. Several clinical studies and in vitro experiments have shown that astaxanthin can reduce oxidative stress in the skin, decrease inflammation, and improve moisture retention, all of which are factors that contribute to the appearance and formation of wrinkles.

Randomized, double-blind, placebo-controlled human trials have demonstrated that oral and topical supplementation with astaxanthin—derived from Haematococcus pluvialis—can lead to improved skin elasticity, reduced wrinkle depth, and enhanced skin texture. For example, a 2012 clinical study by Tominaga et al. found that both oral and topical astaxanthin for 8 weeks significantly improved crow’s feet wrinkles, skin elasticity, and moisture in middle-aged women.

While these results are promising and indicate a clear scientific rationale for using Haematococcus pluvialis-derived astaxanthin to support or treat wrinkles, the total body of evidence is still modest, with studies often limited in size and duration. Nevertheless, the antioxidant properties of astaxanthin and its effects on skin aging are well-documented in the scientific literature, justifying a moderate evidence rating.

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