
COSRX
5 PDRN Collagen Intense Vitalizing Serum100 ml
Mild. Collagen: ingredient no. 17, not counting water.from€19.45
€19.45 / 100 ml

CocopandaCheapest
Updated 2026-08-12
€25.05
€310.02 / 100 ml
Lyko
Updated 2026-08-13
€35.00
€433.17 / 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.
Dr.Jart+ Brightamin Brightening Serum Ampoule is a serum (8.1 ml). The product is Korean. The ingredient list has 21 ingredients, including niacinamide, hyaluronic acid, and panthenol (B5). The product is fragrance-free and silicone-free. The product contains no drying alcohol. We compare prices at 2 retailers; the cheapest right now is €25.05.
Source: store product page · Updated 2026-08-12
Does not contain ingredients flagged by our current criteria. Key ingredient: Niacinamide.
No flagged ingredients
A form of vitamin B3. Studied in relation to perceived oiliness and evenness of tone.
A humectant that binds water.
A humectant often used in formulations for sensitive skin.
Short amino-acid chains used in conditioning formulations.
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.

COSRX
from€19.45
€19.45 / 100 ml

Arencia
from€19.50
€65.00 / 100 ml

Omitted
from€27.45
€30.50 / 100 ml

Torriden
from€30.90
€103.00 / 100 ml