# TLDR Review: Kerastase Nutritive 8H Magic Night Serum

*Published: 2026-04-20 | Updated: 2026-04-20 | Source: https://shopsavvy.com/reviews-tldr/kerastase-nutritive-8h-magic-night-serum*

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## Product: Kerastase Nutritive 8H Magic Night Serum
**Brand:** KERASTASE

## Pros
- Leaves hair super shiny, soft, and visibly healthier overnight
- Excellent frizz control without heaviness or greasiness
- Results are long-lasting, maintaining hair's appearance and feel
- Makes hair feel stronger, smoother, and well-conditioned, similar to salon quality
- Effectively calms frizz when used at night
- Easily applies from mid-length to tips for targeted treatment
- Has a pleasant, attractive scent that enhances bedtime routines
- Effectively transforms dry, brittle hair into soft, silky strands overnight
- Absorbs quickly with no greasy residue, leaving hair lightweight
- Provides noticeable results from the very first use

## Cons
- May run out quickly, especially if you have thick or long hair
- Considered expensive, which could be a drawback for some users
- Bottle size might require frequent repurchasing for regular users
- Small amount needed per application; overuse can diminish longevity of the product

## Bottom Line

This overnight serum transforms dry, frizzy hair into soft, shiny locks with long-lasting results and a pleasant scent, making it popular for quick, salon-quality at-home care. However, its high price and limited quantity may be less suitable for heavy or long-haired users seeking more value. For a similar, more budget-friendly option, consider products that deliver comparable hydration and frizz control without the premium cost.

## Pros vs Cons at a Glance

| Pros | Cons |
|------|------|
| Leaves hair super shiny, soft, and visibly healthier overnight | May run out quickly, especially if you have thick or long hair |
| Excellent frizz control without heaviness or greasiness | Considered expensive, which could be a drawback for some users |
| Results are long-lasting, maintaining hair's appearance and feel | Bottle size might require frequent repurchasing for regular users |
| Makes hair feel stronger, smoother, and well-conditioned, similar to salon quality | Small amount needed per application; overuse can diminish longevity of the product |
| Effectively calms frizz when used at night |  |
| Easily applies from mid-length to tips for targeted treatment |  |
| Has a pleasant, attractive scent that enhances bedtime routines |  |
| Effectively transforms dry, brittle hair into soft, silky strands overnight |  |
| Absorbs quickly with no greasy residue, leaving hair lightweight |  |
| Provides noticeable results from the very first use |  |

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*About this review: We pulled together findings from professional and user reviews, and cross-referenced them with ShopSavvy's pricing data from thousands of retailers to give you the short version.*