{"product_id":"kerastase-chronologiste-overnight-youth-hair-serum-90ml-anti-aging-hydrating-overnight-leave-in","title":"KÉRASTASE Chronologiste Overnight Youth Hair Serum 90ml — anti-aging, hydrating overnight leave-in","description":"\u003cp\u003e\u003cstrong\u003eKÉRASTASE Chronologiste Overnight Youth Serum is a leave-in overnight hair treatment that hydrates, smooths frizz and restores shine while you sleep.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for hair showing signs of aging, this lightweight 90ml serum blends Hyaluronic Acid, Abyssine, Pro‑Xylane™ and Ochrophyta Algae to deliver hydration, resilience and a glossy finish without weighing hair down. It’s formulated to be applied to dry or damp hair before bed and left in until morning, offering an effortless evening ritual that targets dryness, frizz and lackluster strands.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this serum improve hair texture overnight?\u003c\/h3\u003e\n\n\u003cp\u003eThe formula works while you sleep by sealing moisture and smoothing the hair surface, which reduces friction and visible frizz. Key active ingredients support fiber strength and surface retexturing so hair looks and feels softer by morning.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eHyaluronic Acid attracts and holds moisture inside the hair fiber for plumper strands.\u003c\/li\u003e\n  \u003cli\u003eAbyssine helps protect and soothe the scalp and fiber from environmental stressors overnight.\u003c\/li\u003e\n  \u003cli\u003ePro‑Xylane™ and Ochrophyta Algae reinforce the hair structure for improved resilience.\u003c\/li\u003e\n  \u003cli\u003eLightweight, non-greasy base prevents buildup while delivering slip and manageability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this serum work on my hair type — fine, medium or coarse?\u003c\/h3\u003e\n\n\u003cp\u003eThe Chronologiste serum is formulated to be broadly compatible: its light texture suits fine hair without flattening, while its nourishing actives provide reinforcement for medium to coarse strands. Application amount and placement are easy to adjust for different densities and lengths.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFine hair: use a small, palm-sized dose focused on mid-lengths and ends to avoid weighing roots.\u003c\/li\u003e\n  \u003cli\u003eMedium hair: apply evenly from mid-length to tips for balanced hydration and shine.\u003c\/li\u003e\n  \u003cli\u003eCoarse or dry hair: increase dosage and include some scalp-adjacent lengths for added smoothness.\u003c\/li\u003e\n  \u003cli\u003eCurly or textured hair: distribute with fingers or a wide-tooth comb to preserve curl pattern and reduce frizz.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use the product for best results?\u003c\/h3\u003e\n\n\u003cp\u003eApply a small amount to dry or slightly damp hair before bedtime; there’s no rinsing required. In the morning, style as usual — you’ll notice reduced friction, enhanced shine and easier manageability.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDispense a pea-to-dime sized amount for short hair, larger for long lengths.\u003c\/li\u003e\n  \u003cli\u003eWarm the serum between palms and smooth through mid-lengths and ends.\u003c\/li\u003e\n  \u003cli\u003eLeave in overnight; wash or refresh hair in the morning as preferred.\u003c\/li\u003e\n  \u003cli\u003eUse regularly as part of a nightly routine for cumulative benefits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the fragrance strong and what sensory experience should I expect?\u003c\/h3\u003e\n\n\u003cp\u003eThe serum offers a refined scent profile with bergamot top notes balanced by freesia and a warm patchouli base, giving a luxurious, spa-like bedtime experience. The fragrance is integrated into a lightweight texture that absorbs quickly, minimizing transfer to pillows.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eTop notes of bergamot provide a fresh, citrusy opening.\u003c\/li\u003e\n  \u003cli\u003eFreesia adds a delicate floral heart for softness.\u003c\/li\u003e\n  \u003cli\u003ePatchouli rounds out the base with a subtle warm, earthy finish.\u003c\/li\u003e\n  \u003cli\u003eFormulation prioritizes quick absorption to limit residue on linens.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: KÉRASTASE Chronologiste Overnight Youth Serum is aimed at anyone noticing dryness, increased frizz, loss of shine or reduced strength in their hair—particularly those seeking a low-effort night treatment. It’s suitable for all hair textures and lengths when used according to hair density; ideal for people who want visible smoothing and hydration without heavy oils or rinsing in the morning.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eAQUA \/ WATER \/ EAU • DIMETHICONE • GLYCERIN • ISOPROPYL MYRISTATE • PHENOXYETHANOL • POLYACRYLAMIDE • C13-14 ISOALKANE • LAURETH-7 • BENZYL SALICYLATE • HEXYL CINNAMAL • BENZYL ALCOHOL • LINALOOL • TETRAMETHYL ACETYLOCTAHYDRONAPHTHALENES • CARVONE • CITRUS AURANTIUM PEEL OIL • LIMONENE • POGOSTEMON CABLIN OIL • CITRONELLOL • LINALYL ACETATE • GERANIOL • HYDROXYCITRONELLAL • MACROCYSTIS PYRIFERA EXTRACT \/ KELP EXTRACT • HYDROXYPROPYL TETRAHYDROPYRANTRIOL • BENZALDEHYDE • GERANYL ACETATE • COUMARIN • CITRIC ACID • TRIMETHYLBENZENEPROPANOL • ROSE KETONES • PROPYLENE GLYCOL • BETA-CARYOPHYLLENE • POTASSIUM SORBATE • SODIUM BENZOATE • PARFUM \/ FRAGRANCE\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I leave the serum in overnight?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The serum is designed as a leave-in overnight treatment—apply before bed and style in the morning.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is it suitable for colored or treated hair?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Its lightweight formula is compatible with color-treated and chemically processed hair to add hydration and shine.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"KÉRASTASE","offers":[{"title":"Default Title","offer_id":51488023380201,"sku":"B0GJDXD9S2","price":173.28,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/7674\/2633\/files\/kerastase-chronologiste-front-bottle.jpg?v=1783300498","url":"https:\/\/cervaaustralia.com\/products\/kerastase-chronologiste-overnight-youth-hair-serum-90ml-anti-aging-hydrating-overnight-leave-in","provider":"Cerva Australia | Professional Beauty Supplies, Skincare \u0026 Cosmetics","version":"1.0","type":"link"}