04 / 06 · Refill
Barrier
- Moisture barrier repair
- 30 ML · makes 200 ML
Niacinamide 3.0%
Panthenol 1.0%
Measurably less water lost through the scalp after four weeks.
Evidence: n=36, 4 weeks ↓
$42Per refill · lasts about two months
Refills pour into Vessel 01. A first order has to include one: $65, bought once.
Specification
- Niacinamide
- 3.0%
- Panthenol
- 1.0%
- pH
- 5.5
- Concentrate
- 30 ML
- Makes
- 200 ML
- Lasts
- About two months
- Vial
- Aluminium · 95 × 26 MM
- Batch
- BR-2026-0322
What it will not do
Barrier will not stop itching caused by fungus or dermatitis. It repairs the skin's water barrier, which is a narrower claim, and one we can measure.
Contraindications
- Stop if you develop persistent redness or flushing.
- Barrier repairs. It does not treat infection. See a clinician for a scalp that is weeping or crusting.
Directions
Pour to collar. Fill to line. Shake once.
Pour one 30 ml refill into Vessel 01. Top up with water to the 200 ml line. The vial goes in the recycling.
- Concentrate
- 30 ML
- Water
- 170 ML
- Makes
- 200 ML
Evidence
Before-and-after measurement of transepidermal water loss at the crown.
Water loss fell in 29 of 36 participants. The average reduction was modest, and we say so.
Use with, at most
Two products at once, no more. More actives means more irritation, not more result.
Barrier$42 · Per refill