
Garnier
Fructis Vitamin & Strength Leave-In Serum125 ml
from€7.05
€5.64 / 100 ml

LykoCheapest
Updated 2026-09-12
€64.00€44.80
€74.67 / 100 ml
Cocopanda
Updated 2026-09-12
€67.15
€111.92 / 100 ml
Prices come from Finnish online stores and are shown in euros. Cocopanda delivers only within mainland Finland; Lyko's delivery terms also list Sweden, Norway, Denmark, Poland, the Netherlands, Austria, and Germany. Neither delivers to the US or the UK.
Redken Acidic Grow Full System Anti Hair-Fall Intensive Treatment is an intensive hair treatment (60 ml). The ingredient list has 14 ingredients, including niacinamide. The product is fragrance-free, silicone-free, and sulfate-free. We compare prices at 2 retailers; the cheapest right now is €44.80.
Source: store product page · Updated 2026-09-12
Contains one flagged ingredient group. Key ingredient: Niacinamide. This reading covers ingredient groups, not suitability for hair or scalp.
The product contains a volatile alcohol high in the ingredient list.
A form of vitamin B3. Studied in relation to perceived oiliness and evenness of tone.
This is a hair product. We read the same ingredient groups as on a skincare product — fragrance, sulfates, silicones and drying alcohols — but we publish no acne-prone rating and no judgment about whose hair or scalp it suits. An ingredient list cannot tell you that.
Confidence: medium · v2026.09.3
This assessment is read from the ingredient list and is not medical advice. It makes no promise about acne. Individual skin reactions vary.
Read how we classify productsThe order is the manufacturer's own and follows concentration down to the one percent mark. Underlined names are flagged by our criteria. Names with a dotted underline open a short note on what the ingredient does in the formula.

Garnier
from€7.05
€5.64 / 100 ml

Kérastase
from€23.00
€76.67 / 100 ml

Kérastase
from€28.00
€93.33 / 100 ml

Kérastase
from€41.80
€27.87 / 100 ml