The 90-day routine
Three steps, built around the barrier.
COSMOS-certified and Swiss-origin. Presented with its evidence, not adjectives — and entirely optional: your diary works with one product of your own too.
01 · Cleanse
Gentle Cleansing Milk
Removes the day without stripping the barrier
A soft, low-foam cleansing milk for skin that has become drier and more reactive. Designed to leave skin comfortable, never tight.
Key ingredients & cosmetic function
- Oat kernel extract (Avena sativa)Soothes the feel of dry, irritated skin[9]
- Glycerin (plant-derived)Hydrates and helps skin hold water[5]
- Mild plant-derived cleansing agentsLift make-up and SPF gently
- Directions
- Morning (optional) and evening. Massage a pea-size amount onto dry or damp skin for 30 seconds; remove with lukewarm water or a soft cloth.
- What this product is not
- Not an exfoliant or a treatment for any skin condition.
- Certification
- COSMOS-certified. Certificate number, certifying body and a link to the public COSMOS register entry are published with the full INCI list at launch.
- Size
- 150 ml · about 90 days
02 · Hydrate
Hyaluronic Barrier Serum
Water and barrier lipids, in one light layer
A lightweight serum pairing hyaluronic acid in more than one molecular weight with plant ceramides — the hydration step your diary tracks most closely.
Key ingredients & cosmetic function
- Sodium hyaluronate (multi-weight)Hydrates and smooths the look of fine, dry lines[6]
- Plant ceramidesSupport the skin barrier and comfort[7]
- Glycerin (plant-derived)Hydrates the outer skin layers[5]
- Directions
- Morning and evening, 2–3 drops pressed into still-damp skin after cleansing.
- What this product is not
- Not a filler, a procedure alternative or a treatment for hormonal skin change.
- Certification
- COSMOS-certified. Certificate number, certifying body and a link to the public COSMOS register entry are published with the full INCI list at launch.
- Size
- 30 ml · about 90 days
03 · Comfort
Alpine Comfort Cream
Seals in hydration; softens and comforts
A rich-but-breathable cream with olive squalane and alpine botanicals, for skin that feels tight by the afternoon.
Key ingredients & cosmetic function
- Olive-derived squalaneSoftens and supports the skin's lipid layer[8]
- Shea butterAdds comfort to dry areas
- Edelweiss extract (Leontopodium alpinum)Botanical antioxidant
- Directions
- Morning and evening as the last step before SPF. A thin layer; more on dry areas, less on the T-zone.
- What this product is not
- Not a sunscreen — use your daily broad-spectrum SPF on top in the morning.
- Certification
- COSMOS-certified. Certificate number, certifying body and a link to the public COSMOS register entry are published with the full INCI list at launch.
- Size
- 50 ml · about 90 days
Reference numbers link to The Science. No before/after imagery or efficacy percentages are shown unless backed by a study our reviewer has seen.
Add at membership
The 90-Day Routine
All three steps, sized for 90 days, shipped to your door. $149 one-time, shipping included in the US.
Or bring your own
One product you already use
Register one non-prescription facial product of any brand. Photograph its label and INCI list; the diary measures it exactly the same way — and you’ll finally know whether it earns its place.