What is phytosphingosine used for in skincare?

It repairs the skin barrier and has antimicrobial, anti-inflammatory effects useful for both dry and acne-prone skin.

Is phytosphingosine the same as ceramides?

No, but it's a related sphingolipid that works alongside ceramides to reinforce the skin's barrier.

Can phytosphingosine help with acne?

Yes, it has shown antimicrobial activity against acne-causing bacteria and calms inflammation.

Is phytosphingosine safe for sensitive skin?

Yes, it's very well tolerated and often included specifically for sensitive, reactive skin.

Is phytosphingosine safe during pregnancy?

Yes, it is considered safe during pregnancy.

Phytosphingosine — Ingredient Guide

How it works

Phytosphingosine is a naturally occurring sphingolipid, structurally related to the ceramides that make up much of the skin barrier's mortar between corneocytes. Once applied, it can be incorporated directly into the lipid matrix between skin cells, helping restore barrier integrity and reduce transepidermal water loss much like a ceramide would. It also has documented antimicrobial activity against Cutibacterium acnes and meaningful anti-inflammatory effects, which is why it shows up in both barrier-repair moisturizers and acne-focused serums, a somewhat unusual dual role for a single lipid.

The evidence

Its barrier-supportive role is grounded in well-established lipid biochemistry, and its antimicrobial and anti-inflammatory properties have been demonstrated in laboratory and clinical acne research, supporting its inclusion in blemish-focused serums alongside more commonly cited actives like salicylic acid or niacinamide.

Suitability

A versatile pick: dry and sensitive skin benefit from the barrier repair, while acne-prone skin benefits from the antimicrobial and calming action, all without the irritation risk that comes with stronger acne actives like benzoyl peroxide.

Concentration

Typical formulations use around 0.1% for barrier and acne benefits, with some going up to 1% depending on the delivery system and the rest of the formula.

Conflicts & combinations

No known conflicts. Works synergistically with ceramides for barrier repair and with phytic acid in gentler exfoliating formulas aimed at compromised or reactive skin.