
Purito
Retinol Retinal 2000 NAD+ Serum30 ml
Mild. Retinoid: ingredient no. 12, not counting water.from€28.90
€96.33 / 100 ml

CocopandaCheapest
Updated 2026-08-13
€34.80
€174.00 / 100 ml
Lyko
Updated 2026-08-14
€36.50€34.80
€174.00 / 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.
Haruharu Wonder Black Rice Night Knight Retinol Serum is a serum (20 ml). The product is Korean. The ingredient list has 33 ingredients, including retinoid, rice (Oryza sativa), and amino acids. 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 €34.80.
Source: store product page · Updated 2026-08-13
Does not contain ingredients flagged by our current criteria. Key ingredient: Retinoid.
No flagged ingredients
A vitamin A derivative. Introduce slowly and use sun protection.
Lipids found in the skin's own barrier.
Building blocks of protein, and part of the skin's own natural moisturizing factor. In a formula they act as humectants; some also serve as pH adjusters.
Oryza Sativa (Rice) Extract(2,000ppm): ingredient no. 10, not counting water
Ingredients obtained from rice: extract, rice water and bran oil in hydrating formulations, starch and bran wax to adjust texture. A long-established raw material in Korean and Japanese skincare.
A traditional plant extract in Korean skincare. Used in antioxidant formulations and in products aimed at signs of aging.
Potent or Mild tells you how high the ingredient named on the product sits in its ingredient list. How the mark is set
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.

Purito
from€28.90
€96.33 / 100 ml

Arencia
from€14.30
€47.67 / 100 ml

Purito
from€26.60
€88.67 / 100 ml

Arencia
from€19.60
€39.20 / 100 ml