Nutritive 8H Magic Night Serum — Reddit Reviews
by Kérastase
Updated November 5, 2026
Lightweight overnight serum softens dry, fragile hair; shedding complaints divide users.
What the community says
A lightweight overnight lotion with glycerin, dimethicone, panthenol, and hydrolyzed wheat protein, aimed at dry, fragile lengths needing softer morning hair. Fine-haired users like the weightless feel, though some report extra dryness and shedding instead.
What this means for you
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Based on limited Reddit discussion so far
Where to buy
Real Reddit threads — 6 mentions across 4 threads
Kérastase Nutritive 8H Magic Night Serum on Reddit, in one place — 4 threads from r/Haircare and r/finehair, summarized.
“Holy Grail: kérastase nutritive 8h magic night serum. I have dry hair and this makes my hair so soft!”
Positive
“I also use the Nutritive 8H Magic Night Serum at night.”
Positive
“It's more like a light weight lotion. I use it at night and it left my hair so soft in the morning.”
Positive
“I recently bought the Nutritive 8H Magic Night Serum and I really like it.”
Positive
“that 8h magic serum is already a great start for the fragile front pieces, i'd keep that up”
Positive
“I recently bought the Nutritive 8H Magic Night Serum and I really like it.”
Positive
“My hair is: Fine (very thin strands) ... Breaks very easily (it doesn't shed much, it just snaps)”
Positive