{"title":"Hair Serum","description":"\u003cp\u003eA hair serum or oil is the finishing step that tames frizz, adds shine and shields the lengths from heat. Smooth and protect with the KUNDAL Macadamia Ultra Hair Serum, working a little through mid-lengths and ends. Pair with a repair-focused \u003ca href=\"\/en-eu\/collections\/hair-mask\"\u003ehair mask\u003c\/a\u003e, care for \u003ca href=\"\/en-eu\/collections\/damaged-hair\"\u003edamaged hair\u003c\/a\u003e, or browse all \u003ca href=\"\/en-eu\/collections\/hair-care\"\u003ehair care\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"cosrx-peptide-132-ultra-perfect-hair-bonding-oil-serum","title":"COSRX PEPTIDE-132 Ultra Perfect Hair Bonding Oil Serum","description":"\u003cp\u003e\u003cstrong\u003eSkin-Nomad's Take — At a Glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLightweight finishing oil for smoother, glossier hair\u003c\/li\u003e\n\u003cli\u003eTripeptide-132 with argan and camellia oils\u003c\/li\u003e\n\u003cli\u003eTames frizz on damaged, colour-treated lengths and ends\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEnds that have been lifted, coloured or ironed roughen and weaken at the same time, and smoothing the surface only deals with half of that. The COSRX PEPTIDE-132 Ultra Perfect Hair Bonding Oil Serum works on both, pairing Tripeptide-132, a short peptide that deposits at the damaged sites along the fibre, with argan, camellia and jojoba oils that lie the cuticle flat for shine. COSRX is the South Korean brand built on short, ingredient-led formulas, and that same restraint carries from its skincare into its hair range.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTripeptide-132 deposits where the fibre has been damaged:\u003c\/strong\u003e Short peptides are small enough to reach the porous, hollowed-out areas that bleach and heat leave along the hair shaft, so they condition inside those gaps rather than over the top of them. Peptide bonding is a newer approach in hair care and most of the testing behind it comes from manufacturers rather than independent labs, so the strength claim is the promising part and the smoothing below is the certain one.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArgan, camellia and jojoba flatten the cuticle scales:\u003c\/strong\u003e When those scales sit flat, strands slide past each other instead of catching, and catching is what frizz and flyaways actually are. Lengths look sleeker and feel softer straight away, well before any of the peptide work has had time to accumulate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe gloss comes from a light film rather than a heavy oil coat:\u003c\/strong\u003e A thin layer of silicone spreads over the outside of the strand and reflects light evenly, which is what the eye reads as shine. It weighs a fraction of what you would need in oil alone to get the same gloss, so fine and medium hair takes it without going lank.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTexture \u0026amp; Finish\u003c\/h3\u003e\n\u003cp\u003eIt is a dry-feeling oil rather than a slippery one, and on damp hair it disappears almost immediately. On dry lengths it sits more visibly and reads as gloss, and the weight builds quickly, so fine hair notices it sooner than coarse hair does. Nothing needs rinsing out and there is no tackiness once it has settled.\u003c\/p\u003e\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHair types:\u003c\/strong\u003e Medium to coarse hair, wavy through coily, and fine hair that needs less of it; bleached, colour-treated, chemically straightened or regularly heat-styled lengths.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHair concerns:\u003c\/strong\u003e Frizz, flyaways, rough or dull ends, split-looking ends, and the dryness that arrives a week after a colour appointment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest used by:\u003c\/strong\u003e Bleached or highlighted lengths that look fine in the mirror and feel like straw between your fingers are the clearest case for this oil serum.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How is this different from a plain argan or shine oil?\u003c\/strong\u003e\u003cbr\u003eA: A plain shine oil works entirely on the outside of the hair, flattening the cuticle, cutting friction and reflecting light, and it stops there. The COSRX PEPTIDE-132 Ultra Perfect Hair Bonding Oil Serum does that with argan, camellia and jojoba, then adds Tripeptide-132, which deposits into the porous damaged areas along the shaft instead of coating the surface. You get the same immediate smoothing plus a conditioning effect that accumulates in the parts of the fibre bleach has hollowed out.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does a leave-on oil actually repair broken bonds?\u003c\/strong\u003e\u003cbr\u003eA: No leave-on product rebuilds the disulfide bonds that bleach breaks. Salon bond builders based on maleic acid derivatives form temporary bridges across those broken sites, and the bridges wash out; they reduce breakage during and after a chemical service rather than permanently restoring the structure of the fibre. This oil serum does not use maleate chemistry at all, so what you get from the peptide is cosmetic conditioning of the damaged areas: real and visible, but something you maintain rather than something you finish.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Where does it sit alongside heat styling and other products?\u003c\/strong\u003e\u003cbr\u003eA: It is a finishing step, so it goes on top of whatever cream or mousse is already in the hair without disturbing it. It is not a heat protectant, though: the oils reduce the roughness that follows heat styling rather than shielding the fibre while the iron is on it, so keep a dedicated protectant in the routine if you style with heat regularly.\u003c\/p\u003e\n\u003cp\u003eThe clever thing about this bottle is that the vainest step in the routine, the one you do purely for gloss, is also the one quietly doing the reinforcing.\u003c\/p\u003e\n\u003cdiv class=\"sn-explore-more\"\u003e\n\u003cp\u003eExplore the full \u003ca class=\"sn-ilink\" href=\"\/en-eu\/collections\/hair-care\"\u003ehair care collection\u003c\/a\u003e for complementary treatments for damaged lengths.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca class=\"sn-ilink\" href=\"\/en-eu\/collections\/hair-care\"\u003eHair care\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca class=\"sn-ilink\" href=\"\/en-eu\/collections\/hair-loss-scalp-care\"\u003eHair loss \u0026amp; scalp care\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca class=\"sn-ilink\" href=\"\/en-eu\/collections\/cosrx\"\u003eMore from COSRX\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n","brand":"COSRX","offers":[{"title":"Default Title","offer_id":55157050868046,"sku":"cosHS89-S","price":16.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0798\/5057\/0062\/files\/cosHS89-S.png?v=1778671450"},{"product_id":"elizavecca-cer-100-collagen-coating-hair-a-muscle-essence","title":"Elizavecca CER-100 Collagen Coating Hair A+ Muscle Essence","description":"\u003cp\u003e\u003cstrong\u003eSkin-Nomad's Take — At a Glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLeave-in essence that smooths, conditions, and protects damaged hair\u003c\/li\u003e\n\u003cli\u003eHydrolysed \u003ca class=\"sn-ilink\" href=\"\/en-eu\/collections\/collagen\"\u003eCollagen\u003c\/a\u003e penetrates the cortex; ceramide seals the cuticle after\u003c\/li\u003e\n\u003cli\u003eLightweight enough for fine hair; effective on coarse and colour-treated\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA rinse-off treatment gets two minutes with your hair, and a leave-in gets the rest of the day. The Elizavecca CER-100 Collagen Coating Hair A+ Muscle Essence uses that difference deliberately, carrying hydrolysed collagen into the cortex while ceramide and surface proteins smooth the cuticle over the top of it. The CER-100 range comes out of Elizavecca's base in Iksan, North Jeolla Province, where the working assumption since 2006 has been that hair repair is cumulative rather than dramatic.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eContact time does most of the work here:\u003c\/strong\u003e Hydrolysed collagen deposits into the cortex in proportion to how long it stays against the fibre, and a leave-in stays there for hours rather than the couple of minutes a rinse-off gets. The same protein at the same strength therefore builds more reinforcement from this format than from a step you wash straight back out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCeramide closes the cuticle behind it:\u003c\/strong\u003e Ceramide replaces the lipids between the cuticle scales that bleach, heat and hard water strip out, so the scales lie flat instead of standing proud of the fibre. Flat scales mean less friction between strands, which shows up as less tangling, less frizz in humid weather and more light bouncing back off the length.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating the outside buys the immediate result:\u003c\/strong\u003e Film-forming surface proteins wrap the fibre and deliver everything you notice on day one, which is softer handling, fewer flyaways and more density through the mid-lengths. That layer smooths and adds body without rebuilding anything, and it renews with each application rather than accumulating into permanent repair.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuffers the fibre against heat styling:\u003c\/strong\u003e The protein and ceramide layer absorbs part of the thermal load that a dryer or a straightener would otherwise put straight onto the cuticle. It is a buffer rather than a dedicated heat protectant, so it reduces the damage those tools do without removing it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTexture \u0026amp; Finish\u003c\/h3\u003e\n\u003cp\u003eIt pours like a thin, watery essence rather than a cream, and on damp hair it vanishes in seconds with none of the slick film an oil leaves behind. Dry, it reads as body and grip rather than gloss, so fine hair keeps its movement while coarse hair gets enough weight to stop the ends fraying apart. Nothing needs rinsing and it does not turn tacky as it dries down, which is the difference between a leave-in you use daily and one you forget about.\u003c\/p\u003e\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHair types:\u003c\/strong\u003e Fine, medium and coarse hair; straight, wavy, curly and coily; colour-treated, chemically processed and heat-damaged. High-porosity hair benefits most, because a lifted cuticle gives the protein a shorter route into the cortex.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHair concerns:\u003c\/strong\u003e Breakage, loss of stretch, frizz in humidity, dryness through the mid-lengths and ends, heat damage, dullness and recovery after colour.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest used by:\u003c\/strong\u003e Someone who reaches for hot tools several times a week and wants the repair to carry on between washes will get more out of this than out of another rinse-off treatment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How is a leave-in hair essence different from a rinse-out conditioner?\u003c\/strong\u003e\u003cbr\u003eA: The active ingredients overlap; the contact time does not. A rinse-out conditioner has two to five minutes on the fibre before most of it goes down the drain, while the Elizavecca CER-100 Collagen Coating Hair A+ Muscle Essence stays on for hours, giving hydrolysed collagen far longer to deposit in the cortex and ceramide longer to bond into the cuticle. For hair that needs structural protein rather than surface softness, the leave-in format extracts more from the same ingredients.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will a leave-in weigh down fine hair?\u003c\/strong\u003e\u003cbr\u003eA: Weight in a leave-in comes from oils, butters and silicones, not from protein, and this is a water-thin essence rather than an oil or a cream. Fine hair responds to protein with more body rather than less, since deposited protein thickens the individual strand. What flattens fine hair is applying any leave-in close to the roots, where the scalp's own oils are already doing that job.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Where does this sit alongside oils, creams and heat tools?\u003c\/strong\u003e\u003cbr\u003eA: It goes on before anything heavier, following the same thin-before-thick logic as skincare: a water-based essence first, then a cream or an oil over the top if the ends want it. Most hair needs nothing after it, and it is only very coarse, very porous or bleached lengths that benefit from an oil sealing on top. It is compatible with heat styling and with hairspray, gel or mousse layered afterwards.\u003c\/p\u003e\n\u003cp\u003eMost of what a damaged fibre needs is time, and a leave-in is the only step in a hair routine that has any of it to give.\u003c\/p\u003e\n\u003cp class=\"sn-explore-more\"\u003e\u003cstrong\u003eExplore more\u003c\/strong\u003e\u003cbr\u003eShop our \u003ca href=\"\/en-eu\/collections\/ceramides\"\u003eceramides\u003c\/a\u003e edit, browse \u003ca href=\"\/en-eu\/collections\/damaged-hair\"\u003edamaged hair\u003c\/a\u003e solutions, or see more from \u003ca href=\"\/en-eu\/collections\/elizavecca\"\u003eElizavecca\u003c\/a\u003e.\u003c\/p\u003e\n","brand":"Elizavecca","offers":[{"title":"Default Title","offer_id":55157091959118,"sku":"SESALOHS02-HER","price":14.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0798\/5057\/0062\/files\/SESALOHS02-HER.png?v=1778671451"},{"product_id":"kundal-macadamia-ultra-hair-serum","title":"KUNDAL Macadamia Ultra Hair Serum","description":"\u003cp\u003e\u003cstrong\u003eSkin-Nomad's Take — At a Glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e15,000 ppm Macadamia Oil serum in a 14-oil leave-on blend for frizz and shine\u003c\/li\u003e\n\u003cli\u003eSilicone-oil hybrid formula for smoothness and heat protection\u003c\/li\u003e\n\u003cli\u003eThree scents: Cherry Blossom, White Musk, English Rose\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFine hair and hair oil have a bad history, because the oil rich enough to give the ends real shine flattens everything above them. Macadamia is the exception, since its palmitoleic acid content closely matches the lipid layer hair produces for itself, so at 15,000 ppm it settles into the cuticle instead of pooling on top of it. The KUNDAL Macadamia Ultra Hair Serum surrounds it with thirteen further plant oils and a silicone base that doubles as a heat barrier, which is characteristic of how this Seoul brand builds a finishing product: many things lightly rather than one thing heavily.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcross fourteen oils, no two are doing quite the same job:\u003c\/strong\u003e Argan brings antioxidant cover, Squalane adds hydration without weight, Camellia Japonica smooths, Meadowfoam seals the cuticle with a very low evaporation rate and Rice Bran adds further antioxidant protection. The combined fatty acid profile conditions the hair surface more completely than any one of them reaches at the same concentration alone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePuts a barrier between the iron and the cuticle:\u003c\/strong\u003e Cyclopentasiloxane and Dimethicone form a thermal layer that takes the brunt of blow-drying and straightening, and they double as the vehicle that spreads the oil complex evenly down the mid-lengths without dragging. One bottle therefore covers both the step before styling and the step after it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVitamin E keeps the oil blend from turning on the hair:\u003c\/strong\u003e Plant oils oxidise on contact with air and light, and Vitamin E slows that reaction on the hair surface so the conditioning is still doing something by the evening. It also gives free radical cover through the day, which counts for most on colour-treated lengths.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTexture \u0026amp; Finish\u003c\/h3\u003e\n\u003cp\u003eIt pours as a thin, clear liquid that spreads much further than it looks like it should and vanishes into damp hair almost immediately, leaving nothing tacky on the fingers. On dry hair it reads as shine and smoothness rather than as oil, and flyaways settle without the roots going flat. It comes in a small range of light scents, none of which competes with a fragrance you are already wearing.\u003c\/p\u003e\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHair types:\u003c\/strong\u003e Fine, medium and coarse hair; straight, wavy and loosely curly; colour-treated, heat-styled and dry through the mid-lengths and ends. Tightly coily hair will find it light for a leave-in and better used as a finishing layer over something richer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHair concerns:\u003c\/strong\u003e Frizz, flyaways, rough ends, dullness, split-prone lengths, and the gradual roughening that comes with daily heat styling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest used by:\u003c\/strong\u003e Daily straightener and blow-dry users who would rather carry one bottle than two will get the most out of it, particularly where the hair goes flat under anything heavier.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does Macadamia Oil compare with Argan Oil on fine hair?\u003c\/strong\u003e\u003cbr\u003eA: Argan's higher oleic and linoleic content gives strong antioxidant nourishment, but on very fine hair it reads as weight. Macadamia's palmitoleic acid matches the hair's own lipid layer more closely, so it moves into the cuticle rather than resting on it, which is why the KUNDAL Macadamia Ultra Hair Serum conditions fine hair without the flat result. Argan is still in this formula; it is simply one of the fourteen rather than the lead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do the silicones in this build up and damage hair?\u003c\/strong\u003e\u003cbr\u003eA: Cyclopentasiloxane evaporates off the hair within minutes of application, leaving Dimethicone as the film that actually stays. Dimethicone does not bond to or penetrate the hair fibre and comes away with an ordinary shampoo, and it does no damage while it sits there. What gets described as build-up is what happens when a silicone product meets washing too gentle to lift it, which is a question about the wash rather than about the silicone.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this replace a dedicated heat protectant?\u003c\/strong\u003e\u003cbr\u003eA: For blow-drying and everyday straightening, yes, since the silicone layer is a genuine thermal barrier and the serum is designed to be the only thing between the tool and the hair. At the top of a straightener's temperature range, or on heavily bleached hair, a dedicated heat protectant underneath adds a margin this cannot reach on its own.\u003c\/p\u003e\n\u003cp\u003eFourteen oils sounds like a flourish until you notice that the reason a single oil never quite does it is that hair is not short of one fatty acid, it is short of several.\u003c\/p\u003e\n\u003cp class=\"sn-explore-more\"\u003e\u003cstrong\u003eExplore more\u003c\/strong\u003e\u003cbr\u003eShop our \u003ca href=\"\/en-eu\/collections\/damaged-hair\"\u003edamaged hair\u003c\/a\u003e edit, or see more from \u003ca href=\"\/en-eu\/collections\/kundal\"\u003eKUNDAL\u003c\/a\u003e.\u003c\/p\u003e\n","brand":"KUNDAL","offers":[{"title":"Cherry Blossom","offer_id":59240168325454,"sku":"KDHS04-SCB","price":12.1,"currency_code":"GBP","in_stock":true},{"title":"White Musk","offer_id":59240168358222,"sku":"KDHS04-SCW","price":12.1,"currency_code":"GBP","in_stock":true},{"title":"English Rose","offer_id":59240168390990,"sku":"KDHS04-SCE","price":12.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0798\/5057\/0062\/files\/KDHS04-SCB.png?v=1779229178"}],"url":"https:\/\/shaikhbumiyt.shop\/en-eu\/collections\/hair-serum.oembed","provider":"Skin-Nomad","version":"1.0","type":"link"}