Gloss & Glam: Best Hair Shine Serums to Try in 2026 ✨

This lightweight serum is designed to strengthen hair while enhancing natural shine. Infused with 5% active complexes and biotin, it helps reduce breakage, improve hair texture, and support healthier-looking strands without weighing hair down. Ideal for daily use, it absorbs quickly and leaves hair smooth, soft, and more manageable with a subtle, healthy gloss.

A cult-favourite for a reason, Moroccanoil Treatment is enriched with antioxidant-rich argan oil that deeply nourishes and instantly boosts shine. It tames frizz, smooths flyaways, and enhances hair softness while protecting against styling damage. Suitable for all hair types, this versatile treatment can be used on damp or dry hair for long-lasting radiance and a luxurious finish

Designed to support fuller-looking hair and a healthier scalp, this vegan-friendly spray combines biotin with castor oil, rosemary and batana oils and a caffeine boost. Its formula is aimed at reducing breakage, enhancing thickness and helping with hair that’s prone to thinning or damage. According to the listing, it’s suitable for both men and women and intended for application directly to the scalp to stimulate and fortify hair from the roots.

Charles Worthington ShinePlex Vitamin C Hair Serum is a powerful, rejuvenating treatment designed to enhance hair's natural shine and radiance. Infused with vitamin C, this serum helps to combat environmental stressors, while promoting a smoother, silkier texture. The formula deeply nourishes the hair, smoothing frizz and adding a glossy finish without any heaviness. Perfect for dull or lifeless hair, it revitalises each strand, making hair look healthier and more vibrant with every use.

DMQ Biotin Hair Growth Serum is specially formulated to support stronger, thicker, and healthier hair growth. Packed with biotin—a vital vitamin known to boost hair strength and reduce breakage—this serum nourishes hair follicles deeply to stimulate new growth and improve overall scalp health. Its lightweight, non-greasy formula absorbs quickly, making it perfect for daily use without weighing hair down. Regular application helps revitalize thinning or damaged hair, leaving strands looking fuller, shinier, and more resilient over time.

The Inkey List Caffeine Stimulating Scalp Treatment is designed to invigorate the scalp and promote healthier hair growth. Infused with caffeine, it helps to stimulate blood circulation in the scalp, which can encourage stronger and thicker hair over time. This lightweight formula absorbs quickly without leaving any residue or greasiness, making it ideal for daily use. It also soothes and refreshes the scalp, reducing dryness and irritation while supporting overall hair vitality. Perfect for those experiencing thinning hair or looking to maintain a healthy scalp environment.

KLORANE Strengthening Serum combines the power of quinine and organic edelweiss to fortify weakened hair from root to tip. Quinine works to strengthen hair fibers and reduce breakage, while organic edelweiss offers antioxidant protection against environmental stressors. This serum is lightweight and non-sticky, providing nourishment without weighing hair down. Regular use helps restore hair’s natural strength and shine, making it ideal for those with fragile or brittle hair seeking long-lasting resilience and softness.

This serum from Eclat Skincare features a “Pro-Biotin complex” along with caffeine, ginger and rosemary to support the scalp environment and hair growth. According to its listing, it claims an 87 % hair growth “success rate” (based on its internal testing) and is pitched at improving the condition of fine, weakened or thinning hair.

This serum brings together the strengthening power of biotin (vitamin B7) and collagen in one multitasking leave-in treatment that’s designed to nourish, thicken, smooth and add shine to fine or weakened hair. According to the manufacturer, it “helps scalp infused with Biotin and collagen oil, hair growth, nourishment and thickening for healthy hair”.

A salon-grade leave-in serum specifically for colour-treated hair. It delivers an almost “glass-like” shine that is meant to last for up to ~72 hours, and maintain visible effect for up to ~10 washes. The formula is enriched with about 5% alpha-silane, a heat-activated ingredient that, when used with styling tools or heat, forms a protective layer over the hair fibre.

Olaplex Nº.9 Bond Protector Nourishing Hair Serum is a game-changing formula that works to shield hair from environmental damage and heat styling. Packed with the brand’s signature Bond Building Technology, it strengthens hair from within while providing much-needed nourishment. This serum forms an invisible protective layer around each strand, preventing damage caused by pollution, UV rays, and heat. Its lightweight texture hydrates and smooths the hair without weighing it down, leaving hair feeling soft, shiny, and resilient. Ideal for all hair types, this serum ensures your hair stays healthy, vibrant, and protected from everyday stresses.

Uses glycolic acid to gently lift and smooth the hair cuticle, which helps each strand reflect light more evenly - boosting shine. Also formulated to help reduce frizz; the product claims up to ~82% more shine and ~75% less frizz under test conditions. Suitable for hair lacking gloss or that tends to look dull.

A scalp-focused serum containing Procapil and Redensyl, formulated to improve hair density and reduce excessive shedding. It helps enhance blood circulation to the scalp while strengthening the follicle anchoring system. Great for both early and moderate hair thinning.

This serum combines Redensyl, Capixyl, and Procapil, making it especially effective for weak, thinning hair. Its watery consistency makes it easy to apply daily without making the scalp oily. It targets follicle nourishment while helping improve the thickness and resilience of new hair growth.

Unlike typical growth serums, this formula focuses on scalp health using Salicylic Acid, Menthol, and Dexpanthenol. It exfoliates dead skin, reduces buildup, and soothes irritation - creating the right environment for healthy hair. Ideal for oily, flaky, itchy, or congested scalps.

Lightweight yet nourishing, this serum is made specifically for curls (types 3a–4c). It hydrates, plumps, and helps fight humidity without weighing down hair. It uses a “Naked Technology” to feel invisible on hair while delivering shine.

This scalpy pre-shampoo treatment is formulated with a CPH complex and 0.8% oligopeptide. It helps to soothe itchy, flaky scalps, reduces buildup, and improves scalp health without being too harsh - ideal for dandruff-prone users.

The Pilgrim Redensyl + Anagain Advanced Hair Growth Serum is formulated for both men and women experiencing hair-thinning, widening partings or early hair-loss. It features 3% Redensyl, a breakthrough active designed to stimulate hair-follicle stem-cells, and 4% Anagain, a pea-sprout-derived ingredient that helps prolong the hair-growth phase and reduce shedding.

Designed to refresh curls between washes or to add moisture on damp hair, this serum has a milky texture and contains butters like cacao seed and cupuaçu, plus coconut oil. It helps smooth frizz without weighing curls down and is friendly for curls/coils of various types

A clinically designed serum by hair-transplant experts, this contains hyaluronic acid, biotin, saw palmetto, provitamin B5, and Procapil. It’s aimed at stimulating hair growth for thinning scalps, strengthening follicles, and improving scalp hydration.

The Ordinary Multi-Peptide Serum for Hair Density is a lightweight, leave-in formula designed to make hair look fuller and thicker over time. It blends multiple peptide complexes like Redensyl, Procapil, and Capixyl to support follicle activity and overall scalp health. The serum absorbs quickly without leaving residue, making it suitable for daily use. With consistent application, it helps improve hair density and encourages healthier regrowth.

A leave-in curl enhancer that adds bounce, definition, and fight against frizz with a light hold. It’s suitable for waves to tighter curls and is free of parabens and added colorants.

Kérastase Genesis Fortifying Anti-Hair Loss Serum is a daily-use treatment formulated for weakened hair prone to breakage. It combines 1.5% Aminexil to strengthen the anchorage of hair at the root, Edelweiss Native Cells to boost scalp resilience, and Ginger Root plus Caffeine to stimulate micro-circulation and protect against external aggressors.

This multitasking, leave-in serum is designed to boost shine, moisturise, and define curls without weighing them down. Infused with Macadamia nut oil (and sometimes jojoba seed oil in variations), it smooths frizz and enhances bounce while retaining softness.

A hybrid oil-to-gel serum designed as a finishing touch for curly hair. It tames frizz, offers shine, and gives a light protective shield. The formula uses sunflower, argan, and watermelon oils, and the brand claims it can reduce frizz by up to 65% for 72 hours.