# Mini Chronologiste Overnight Youth Serum for Dull and Brittle Hair - **Brand:** Kérastase - **Price:** $35.00 - **Catalog:** sephora - **Retailer:** sephora - **Product URL:** https://go.cosimo.shop/r/gAAAAABqp_hJNHvh_OBrJtKtAZVB1NzwrPo5O7FR9DIy7XIUaB9HphObQDaCyAPoRjaZPPfubDBTSgbYOwBNopSzHgShCoK6cSEZz-o2cfPA7YJdtvAmITjnbTOQZHF_8Zz-vzTMc-qGvMOwaCqJgjLljNZSSRKzV0Dub4pfNUOuR3lylv-jzeuqJL_ehCPOvvFU98PGtQ0t0gyLgmP4zYFo2jwVIO5bBZSxuJ57Vz6NC6L05jVy_XsdEm544a2RL33nsR_cl_0DPBIjXr16M67tDjhLQZKWF1uxX-8bPABPlaC78Jlmr1CA7rsiqTyoYetJDMRdMRtRRc1eZT-cW5gWnip9Rk2tZIoI4oLQL3FljSCGPo_b_yhhkV3i8RbM1__JgvcS4VjVWPW6qQs-UEDV-QdBXztWaPx9V4gQOoX-r-QeTWjyVWJ_reMFroUXoW9RvadhBrAtMsEy9Bh5EQQRlXufIzOTNIZaHzu-ouBpZHqpYWcK2cI= - **Availability:** In stock ## Summary A mini 1.01 oz overnight leave-in hair serum designed to target signs of aging including thinning, dryness, and dullness. Features a sleek black and gold pump bottle for precise application. ## Description What it is: A leave-in overnight serum designed to target the five signs of hair aging—thin, frizzy, flat, dry, and dull hair—in one night. Hair Texture: Straight, Wavy, and Curly Hair Type: Fine, Medium, and Thick Hair Concerns: - Thinning - Dryness - Damage, Split Ends, and Breakage Key Benefits: - Intensely hydrates and smooths, reviving dry and dull hair overnight - Increases the look of hair-fiber diameter for boosted thickness and body - Provides 450°F heat protection and aids detangling for seamless styling Highlighted Ingredients: - Pro-Xylane: Known for its anti-aging properties to strengthen and protect hair. - Ochrophyta Algae: Known for its regenerative and revitalizing properties. Ingredient Callouts: Free of mineral oil and Sulfates SLS & SLES. What Else You Need to Know: Wake up to visibly fuller, smoother, and healthier hair with the Chronologiste Overnight Youth Serum. This luxurious leave-in formula targets the five signs of hair aging. It intensely hydrates, smooths, and builds body from root to tip while providing 450°F heat protection. Fragrance Description: Top notes: bergamot, orris, green notes; Middle notes: freesia, rose, marine notes; Base notes: musk accord, white flowers, patchouli orpur from Indonesia Clinical Results: In an instrumental test after 1 use of the Overnight Youth Serum: - 92% more strength - Increases hair-fiber diameter by 5.7% -66% less frizz - 32% more shine ## Appearance - **Sizes:** 1.01 oz/30 ml (per-size availability under Variants) ## Variants - **In stock:** 1 of 1 - **Available:** 1.01 oz/30 ml | Size | SKU | Availability | | --- | --- | --- | | 1.01 oz/30 ml | 2947372 | In stock | ## Categories - **Categories:** Hair > Mini Size ## Additional Attributes - **size:** 1.01 oz/30 ml - **hairType:** medium, thick, fine - **lovesCount:** 8044 - **formulation:** serum - **hairTexture:** straight, curly, wavy - **hairConcerns:** damageSplitEnds, dryness, frizzHr - **isOnlineOnly:** False - **reviews count:** 520 - **variationType:** Size - **sizeRefinement:** mini - **suggested usage:** Suggested Usage: -Apply one pump to dry or damp hair before bedtime. -Spread evenly through lengths and ends. -No need to rinse in the morning—wake up to revitalized, healthier-looking hair. - **typeDisplayName:** Standard - **bi exclusive level:** none - **isSephoraExclusive:** True - **freeShippingMessage:** spend $50 for free shipping - **shoppingPreferences:** luxuryHair - **max purchase quantity:** 10 ## Enrichment - **Type:** hair serum - **Type Synonyms:** hair treatment, overnight serum, leave-in serum, hair oil - **Gender:** unisex - **Age Groups:** adult - **Tags:** pump bottle, serum, leave-in, overnight treatment, anti-aging, travel size, mini, hair care, black bottle, gold accents - **Styles:** luxury, minimalist - **Category Path:** Beauty > Hair Care > Treatments & Solutions > Hair Masks, Oils & Serums - **Package type:** Pump Bottle, Travel Size - **Product form:** Serum - **Suitable for hair type:** Brittle, Curly, Damaged, Dry, Dull, Fine, Frizzy, Split, Straight, Thick, Thin - **Treatment type:** Topical - **Canonical Brand:** Kérastase ## Images - ![Image 1](https://cdn.octogen.ai/34b02e8dde2eae1197900af1572e79bf/cc8e79a51af3e20d46a84496e3cd3681.webp) - ![Image 2](https://cdn.octogen.ai/34b02e8dde2eae1197900af1572e79bf/e58f393f67101287a1fd01b953d4b12d.webp) - ![Image 3](https://cdn.octogen.ai/34b02e8dde2eae1197900af1572e79bf/d8cb0c33f905c00040a6a4829908e169.webp) - ![Image 4](https://cdn.octogen.ai/34b02e8dde2eae1197900af1572e79bf/9eb1cd4466c3a5a8ee36177675d793ba.webp) - ![Image 5](https://cdn.octogen.ai/34b02e8dde2eae1197900af1572e79bf/b07dc9cddb55a597a8506bac289e245b.webp) - ![Image 6](https://cdn.octogen.ai/34b02e8dde2eae1197900af1572e79bf/78d9395aa4f80ae72dc132250904570f.webp) - ![Image 7](https://cdn.octogen.ai/34b02e8dde2eae1197900af1572e79bf/f7853300a00f07b06a012475e8a59400.webp) - ![Image 8](https://cdn.octogen.ai/34b02e8dde2eae1197900af1572e79bf/a4b4bd18ede9a785f82b16b5032965a4.webp) - ![Image 9](https://cdn.octogen.ai/34b02e8dde2eae1197900af1572e79bf/13a5e8e38cf1b6af2ede5b6aebeb0e6d.webp) - ![Image 10](https://cdn.octogen.ai/34b02e8dde2eae1197900af1572e79bf/08d93e892a0df18b47100e30f1639fc1.webp) --- *Source: cosimo.shop | Product ID: a4e7867b-5842-47df-b450-55c657c90338 | Canonical URL: https://cosimo.shop/product/kerastase/mini-chronologiste-overnight-youth-serum-for-dull-and-brittle-hair-a4e7867b-5842-47df-b450-55c657c90338*