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Black Rice Night Knight Retinol Serum
Serum · 20 ml · $0.77/ml
4.6· 76 reviews on Olive Young GlobalHaruharu Wonder Black Rice Night Knight Retinol Serum is a nighttime serum combining retinol and bakuchiol with black rice and ginseng to hydrate and support the look of smoother, more refined skin.
Currently sold at 4 retailers selling to US shoppers, from $15.40 (cheapest: Stylevana) to $26.00. Average US price $18.60. Prices checked October 6, 2026.
Best price right now
$15.40
$0.77 per ml
Checked today
at Stylevana
$2.20 less than the typical seller (13%).
Also available at
Now $15.40 at Stylevana — typically $13–$18 over the 60 days we've tracked it; lowest we've seen: $15.40.
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Prices last checked today · across 4 retailers
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Price history
What this serum has actually cost
We check every authenticated seller daily; each point is the lowest price we found that day.
The best total right now from an authorized, authenticity-checked seller of Haruharu Wonder Black Rice Night Knight Retinol Serum is $15.40 at Stylevana — checked Oct 5, 2026. We rank on price plus shipping, and show what each price does and does not include. We never take payment to rank.
Skin compatibility
Will this suit your skin?
We run the ingredient list we hold against three curated reference lists. Skin is personal — these are notes to help you decide, not rules. Pregnancy questions belong with your doctor, and if we don't have a full ingredient list we say so instead of guessing.
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What's actually in it
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