Castanea Crenata Shell Extract
What Castanea Crenata Shell Extract is & what it does
Castanea Crenata Shell Extract is derived from the shell of the Japanese (Korean) chestnut and is valued for its naturally occurring polyphenols and tannins. In cosmetics it is generally used as an antioxidant and skin conditioning agent, helping defend the formula and skin against oxidative stress. It is not a UV filter and serves as a botanical additive rather than an active sunscreen ingredient. No specific concerns are listed for it.
What is Castanea Crenata Shell Extract?
Castanea Crenata Shell Extract is taken from the shell of the Japanese or Korean chestnut. It naturally contains polyphenols and tannins that give it antioxidant character.
What does Castanea Crenata Shell Extract do in skincare?
It is generally used as an antioxidant and skin conditioning botanical, helping defend the formula and skin against oxidative stress. It is a supporting ingredient rather than an active UV filter.
Is Castanea Crenata Shell Extract safe?
It is generally considered well tolerated in cosmetic concentrations, and no specific concerns are listed for it here. A patch test is a sensible step for anyone with known plant or nut sensitivities.
Sunscreens with Castanea Crenata Shell Extract
We rate 5 sunscreens that contain it:
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JUMISO Niacinamide 3+ Tone-up Sunscreen SPF 50+ Pa++++
95/100
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Anua Heartleaf Silky Moisture Sun Cream
91/100
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Macqueen Daily Matt-finish Suncream SPF50+ Pa+++
75/100
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Macqueen UV Daily Sun Cream - Matte Finish SPF 50 Pa+++
74/100
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A'pieu Power Block All Day Sun Stick Pposong Spf 50+ Pa++++
70/100