★★★★★
“Four weeks in, the tightness after cleansing is simply gone.”
Marte H. · VERIFIED · 4 WEEKS
01 · BARRIER SERIES
Barrier Serum
$68
30 ml · $2.27 / ml
Niacinamide 5% with Ceramide NP. Supports barrier lipid synthesis and measurably lowers water loss — the reference is printed beside every claim.
SIZE
Free shipping over $85
30-day returns
Ships carbon-neutral
Full ingredient list
Aqua, Niacinamide 5%, Glycerin, Ceramide NP, Squalane, Cholesterol, Panthenol, Sodium Hyaluronate, Xanthan Gum.
How to use
Three drops into damp skin, morning and evening. Press with flat palms, wait sixty seconds, then seal with Buffer Cream.
The evidence
Niacinamide at 5% — J Cosmet Dermatol, 2019. Ceramide NP — Int J Mol Sci, 2021. Panthenol — Skin Pharmacol Physiol, 2017.
Shipping & returns
Free carbon-neutral shipping over $85. Thirty days to return anything, opened or not.
THE INDEX
Nine ingredients,
three of them here.
01
Niacinamide 5%
Supports barrier lipid synthesis
J Cosmet Dermatol · 2019
02
Ceramide NP
Replaces the exact lipid a damaged barrier lacks
Int J Mol Sci · 2021
03
Panthenol
Humectant that measurably speeds repair
Skin Pharmacol Physiol · 2017
How to use it
-
01
Press, don’t rub
Three drops into damp skin, pressed with flat palms.
-
02
Wait sixty seconds
Give the niacinamide time to move through the water layer.
-
03
Seal it
Buffer Cream over the top while the serum is still wet.
What people report
★★★★★
“The only serum I’ve used that lists the study next to the claim.”
Yusuf A. · VERIFIED · 3 MONTHS
★★★★★
“My barrier recovered without me having to stop everything else.”
Lena K. · VERIFIED · 8 WEEKS
