
Mario Badescu
Clarifying Serum29 ml
from€21.00
€72.41 / 100 ml

CocopandaCheapest
Updated 2026-09-12
€51.35
€51.35 / 100 ml
Lyko
Out of stock
€52.00€36.40
€36.40 / 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 Scalp & Hair Serum is a scalp care product (100 ml). The ingredient list has 25 ingredients, including hyaluronic acid, fermented ingredients, and azelaic acid. The product is silicone-free and sulfate-free. The product contains no drying alcohol. We compare prices at 2 retailers; the cheapest right now is €36.40.
Source: store product page · Updated 2026-09-12
Contains 2 flagged ingredient groups. Key ingredient: Hyaluronic acid. This reading covers ingredient groups, not suitability for hair or scalp.
The product contains fragrance or declared fragrance allergens.
The product contains essential oils or plant extracts that naturally carry them.
A humectant that binds water.
An acid used in products aimed at redness and uneven tone.
Ingredients fermented with microorganisms: yeast, lactic acid bacteria, and bifido filtrates. Common in Korean and Japanese essences, where they act as humectants.
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.

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from€21.00
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