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Phytosphingosine

What Phytosphingosine is & what it does

A barrier lipid that supports the skin's protective layer and offers mild antimicrobial and soothing benefits. It helps calm the look of irritation.

What is Phytosphingosine and what does it do in sunscreen?

Phytosphingosine is a barrier lipid, a sphingosine that is a natural building block of the skin's protective outer layer. In a sunscreen it helps reinforce that barrier and brings mild soothing and antimicrobial benefits, so the formula feels calming and supports skin rather than just sitting on top of it. It is a conditioning ingredient, not a UV filter, so it does not add sun protection.

Is Phytosphingosine safe?

Yes. It is a skin-identical lipid that mirrors a component the skin already makes, and it is well tolerated at the small amounts used in cosmetics. It is generally considered gentle and suitable even for sensitive skin. Reactions are uncommon because it is closely related to the skin's own barrier lipids.

Does Phytosphingosine clog pores?

Generally no. It is used at very low levels as a barrier lipid, not as a heavy oil or wax, so it is not a typical pore-clogging ingredient. Its role is to support the skin's protective layer rather than to add richness. If you are breaking out, heavier emollients elsewhere in a formula are the more likely cause.

Is Phytosphingosine good for sensitive or barrier-damaged skin?

It can be. As a skin-identical barrier lipid with mild soothing properties, it helps support the skin's protective layer and can make a formula feel calming. That makes it a sensible choice in products aimed at sensitive or compromised skin. It works best as part of a well-rounded barrier-supporting formula rather than on its own.

Is Phytosphingosine vegan?

Usually yes. The Phytosphingosine in modern cosmetics is typically produced by fermentation using yeast, which is a plant-and-microbe route with no animal-derived material. That makes it generally suitable for vegan formulas. As always, the finished brand is the place to confirm a strict vegan claim.

Sunscreens with Phytosphingosine

We rate 145 sunscreens that contain it, showing the top 10 by overall score:

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