N° 01 — Shampoo
Keratin Volume Boost Shampoo
€37
Incl. VAT · Excl. shipping
390 ml
Salon-grade keratin and rosemary for fuller, denser, lifted hair. Lathers clean, rinses clear.
Vol. 01 — Keratin Volume Boost
Density,
lifted slowly.
From € 37
Incl. VAT · Excl. shipping
COSMOS Natural Certified by Ecocert
Vegan & Cruelty-free
Sulfate, Silicone & Paraben Free
Made in EU Certified Facility
Salon-grade keratin chemistry, rosemary for the scalp, and bergamot for the finish. A duo built for fuller, healthier, denser hair.
N° 01 · Keratin
Vol. 01
The Duo.
N° 02 — Conditioner
Keratin Volume Boost Conditioner
€39
Incl. VAT · Excl. shipping
390 ml
Bergamot-finished conditioning that seals the strand without weight. Leave in for 1–2 minutes.
The Duo
Keratin Volume Boost — Shampoo & Conditioner
€69€76Save €7
Incl. VAT · Excl. shipping
2 × 390 ml
The complete ritual. Both formulas together, built to work as one.
The Botanical Brief
Three ingredients.
One purpose.
Rosemary Oil
Stimulates the scalp and supports hair density. Sourced from the Mediterranean coast.
Peppermint Oil
A cooling sensation that wakes the senses and improves circulation through the scalp.
Bright Bergamot
Calabrian bergamot lifts the formula with a clean, masculine citrus finish.
What it does
Salon-grade results, slowly earned.
Natural Shine
Restores healthy luster without weighing hair down.
Volume & Body
Lifts at the root for fuller-looking hair.
Hydration
Locks in moisture for softness that lasts past day three.
Strengthen
Keratin and botanicals fortify each strand from within.
The ritual
- 01
Wet your hair
Rinse thoroughly before applying.
- 02
Apply the shampoo
Massage into the scalp and work into a lather from roots to ends.
- 03
Rinse clean
No residue.
- 04
Apply the conditioner
Mid-lengths and ends only — not the scalp.
- 05
Leave, then rinse
1–2 minutes. Rinse thoroughly.
The shampoo and conditioner work as a system. Neither is optional.
Field notes
Worn quietly. Reviewed honestly.
4.7 · 3 verified reviews
"Three weeks in and the difference is quiet but real. Less breakage on the towel in the morning, a bit more lift at the root. Not a transformation — just hair that behaves better. The bergamot is faint, which I prefer."
Thomas K.
Amsterdam · March 2025
"Finally something that doesn't leave my hair flat by midday. I have fine hair and it gives a bit of structure without that crunchy feeling some volume shampoos have."
Sander V.
Utrecht · February 2025
"Took me about ten washes to really notice it. Worth the patience. The bottle is also genuinely nice on the shelf — small thing but it matters when you see it every morning."
Luca M.
January 2025