10 Best The Ordinary Hair Care Serum of 2025

Tested and Reviewed: Top 10 The Ordinary Hair Care Serum deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

Mise En Scene

Mise En Scene Perfect Serum Original - Heat Protectant Hair Oil for Frizzy & Dry | Argan Oil | Visibly Smooths & Softens | Add Shine All Hair Types | Damage Repair | Fruity Floral Scent, 2.7 Fl Oz.

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Editor's bottom line:

“This the ordinary hair care serum is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

. : Feel the immediate effect of iconic serum trusted by millions.Long lasting hydration effect that makes your hair shine and healthy all day You can feel less frizz & dry, tangle, roughness, cracks, and split-ends!
º : Style it with confidence. This serum forms a protective layer on your hair, shielding it from heat damage caused by dryers and irons - up to 446ºF!
: Powered by Golden Moroccan Aragan Oil and a blend of Olive, Coconut, Apricot, Marula, Jojoba, and Camellia Oils - provides nourishment, smooths for visibly healthier hair.
: This product does not contain Alcohol, Paraben, Paraffin, Propylene Glycol, Ammonia, Formaldehyde. suitable for all hair types and textures, including dry or curly hair
: For best results, pair with Original Shampoo, Conditioner and Treatment. Complete your routine with the full Perfect Serum care line-up for perfect shine and softness, keeping the scent.

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Picked by 397 people today

9.5

The Ordinary

The Ordinary Multi-Peptide Serum for Hair Density, Peptide-Powered Formula for Thicker, Fuller Looking Hair, 2 Fl Oz

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Main Highlights

CONCENTRATED HAIR TREATMENT: A lightweight leave-in serum designed to promote thicker, fuller, and denser-looking hair by supporting the scalp.
PEPTIDE TECHNOLOGIES: Formulated with REDENSYL, Procapil, CAPIXYL, BAICAPIL, AnaGain, and High-Solubility Caffeine to visibly enhance hair vitality and promote a denser appearance.
PLANT-BASED EXTRACTS: Contains natural ingredients such as Larix Europaea Wood Extract, Pisum Sativum Extract, and Camellia Sinensis Leaf Extract to nourish the scalp.
DAILY USE: Apply a few drops to clean, dry scalp once daily, preferably at bedtime, for optimal results.
FREE FROM: Cruelty-free, gluten-free, vegan, alcohol-free, and silicone-free.

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9.5

The Ordinary

The Ordinary Multi-Peptide Serum for Hair Density, Peptide-Powered Formula for Thicker, Fuller Looking Hair, 2 Fl Oz (Pack of 2)

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Main Highlights

CONCENTRATED HAIR TREATMENT: A lightweight leave-in serum designed to promote thicker, fuller, and denser-looking hair by supporting the scalp.
PEPTIDE TECHNOLOGIES: Formulated with REDENSYL, Procapil, CAPIXYL, BAICAPIL, AnaGain, and High-Solubility Caffeine to visibly enhance hair vitality and promote a denser appearance.
PLANT-BASED EXTRACTS: Contains natural ingredients such as Larix Europaea Wood Extract, Pisum Sativum Extract, and Camellia Sinensis Leaf Extract to nourish the scalp.
DAILY USE: Apply a few drops to clean, dry scalp once daily, preferably at bedtime, for optimal results.
FREE FROM: Cruelty-free, gluten-free, vegan, alcohol-free, and silicone-free.

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9.2

The Ordinary

The Ordinary 100% Organic Cold-Pressed Moroccan Argan Oil, Nourishing and Hydrating Treatment for Skin & Hair, 1 Fl Oz

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Main Highlights

HYDRATES & COMBATS DRYNESS: 100% Organic Cold-Pressed Moroccan Argan Oil naturally hydrates skin while supporting a healthy-looking complexion.
RICH IN FATTY ACIDS & VITAMINS: Contains fatty acids and vitamins that nourish both skin and hair, improving softness and sheen.
MULTI-USE FORMULA: Can be used on skin for daily hydration or applied to hair to enhance softness and shine.
UNREFINED & ORGANIC: This organic, cold-pressed argan oil is completely unrefined, maintaining its natural scent.
APPLICATION INSTRUCTIONS: Apply a few drops to the face or work through damp hair as needed. Patch test before use and avoid broken skin.

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9.0

The Ordinary

The Ordinary Matrixyl 10% + Hyaluronic Acid, Anti-Aging Serum for Fine Lines and Wrinkles, 1 Fl Oz

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Main Highlights

ADVANCED ANTI-AGING FORMULA: A skin-firming serum that targets the look of fine lines and wrinkles, promoting firmer and plumper skin.
TWO GENERATIONS OF MATRIXYL: Combines Matrixyl 3000 and Matrixyl Synthe'6 peptides to help support skin's natural collagen and smooth the look of fine lines.
HYDRATING HYALURONIC ACID: Supports deep hydration, ensuring skin stays plump and smooth.
ALL SKIN TYPES: Suitable for all skin types and ideal for areas prone to fine lines and wrinkles.
USE DAILY: Apply a few drops in the morning and evening for optimal results.

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8.8

lilyeve

lilyeve GROWTURN Hair Growth Serum with Built-in Brush, Heartleaf-Derived Exosomes to Revitalize, Korean Hair Care, 3.38 fl. oz. (Pack of 1)

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Main Highlights

[Exosome-Active Hair Revitalize Complex] Soothe irritation and nourish roots with the Exosome-Active Hair Revitalize Complex, powered by heartleaf-derived exosomes. Absorbs quickly to calm itchy, sensitive scalp while promoting stronger, fuller-looking hair. Helps maintain long-lasting scalp hydration and comfort a targeted scalp treatment for hair growth and dry scalp care.
[Clinically Proven Hair Growth Serum] Support visibly thicker, fuller-looking hair with heartleaf-derived exosomes and scalp-conditioning ingredients. Helps reduce visible hair shedding and improve scalp comfort over time. Designed to support healthy hair regrowth ideal for thinning concerns and everyday scalp resilience.
[Korean No.1 Hair Growth Serum] Loved by over 2.1 million users worldwide, this Korean hair care serum supports hair regrowth, reduces thinning, and promotes stronger, fuller-looking hair. Enriched with advanced scalp care ingredients, its lightweight, fast-absorbing formula delivers daily nourishment while keeping hair soft, smooth, and healthy ideal for sensitive scalps and everyday use.
[Built-In Scalp Brush for Fast, Daily Use] Glide, twist, and massage with 38 precision bristles that deliver serum directly to your roots. Ensures even application, deeper absorption, and a cleaner experience compared to droppers or roller tools. Designed for quick, daily scalp care on wet or dry hair the ultimate scalp massager and hair growth tool.
[Light, Gentle, and Refreshing Daily Formula] Free from artificial fragrances and lightly scented with plant-derived aroma for sensitive scalps. Enriched with Scalp-Clera, cistus flower, and white edelweiss extracts to calm dryness and irritation. Absorbs quickly without greasy residue, leaving hair soft, light, and smooth ideal for daily use on dry, itchy, or sensitive scalps.

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8.6

MAREE

MAREE Hair Oil for Frizzy Hair with Argan Oil, Keratin & Biotin – Hair Serum for Dry and Curly Hair Gloss – Frizz Control Hair Care Products for Women – Aceite Para el Cabello – Keratin Hair Treatment

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Main Highlights

Hydrating Hair Oil for Dry Hair This anti frizz hair serum enriched with argan oil for hair adds silky softness and shine. A must-have hair product for women that helps hydrate and smooth strands for everyday softness and manageability.
Hair Serum for Damaged Hair Our biotin oil for hair helps hair feel stronger and more resilient while maintaining a healthy-looking glow. This hair moisturizer for dry hair product provides moisture and smoothness for hair care for women.
Restoring Hair Serum for Dry Hair Infused with aceite de argan and vitamins, this lightweight anti frizz hair product offers deep hydration and protection for easy styling. An ideal heat protectant serum that keeps hair sleek and easy to style.
Hair Care Formula for Dry, Dull Hair This multitasking hair oil for damaged hair enhances softness and shine for all textures. A curly hair oil and split ends care serum that helps hair look smoother and healthier with regular use.
Premium Serum Hair Care At MAREE, our haircare combines innovation and quality ingredients. This tratamiento para el cabello and bonding care formula helps maintain smoothness, hydration, and a polished look in every drop.

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8.3

MIZEEYE

Hair Growth Serum for Thinning & Frizzy Hair, 30mL Vegan & Natural Multi Peptide Serum for Hair Growth, Suitable for Men & Women.

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Main Highlights

HAIR GROWTH SERUM: Hair growth serum repairs and improves hair texture, nourishes the scalp, and is specially designed for thinning hair. The serum helps you to solve the problems of dry hair and easy hair fall
HAIR CARE SERUM: Vegan hair growth serum can promote hair growth rate, increase your hair density, nourish the scalp while also repairing damaged hair
NATURAL INGREDIENT: Mild natural extracts such as arginine, glycerol and water can moisturize the scalp, improve dry hair and promote hair growth
SUITABLE FOR ALL PEOPLE: Hair serum helps treat thinning and brittle hair and promotes natural hair growth. The premium extract blend relieves dryness, stimulates growth and regrowth, strengthens hair strands and protects your hair from falling out
SUITABLE FOR ALL HAIR TYPES: Hair serum is suitable for curly and straight hair, including color-treated and keratin-treated hair, and will leave your hair soft and smooth

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8.1

Minimalist

Minimalist Hair Density Serum 18% | With Procapil, Capixyl, Redensyl, Anagain & Baicapil For Hair Fall Control | Women & Men | 30 ml

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Main Highlights

[ 5 PROVEN INGREDIENTS FOR HAIR GROWTH ]: A super potent, multi-functional hair growth serum with Capixyl 5% + Redensyl 3% + Procapil 3% + Anagain 3% + Baicapil 4%. Starts to show reduction in hairfall by 8th week and new hair growth by 12th week
[ SAFE & EFFECTIVE HAIR GROWTH SERUM ]: A completely safe, yet powerful serum for both men & women, that can be used everyday without any side-effects that are generally associated with other treatments (like Minoxidil)
[ MULTI-PEPTIDES FOR HAIR GROWTH ]: Contains Peptides Acetyl Tetrapeptide-3 & Biotinoyl Tripeptide-1 to increase hair density & reduce hair fall
[ BOOSTED WITH EXTRACTS ]: Infused with Saw Palmetto Extract and Sanguisorba Officinalis (SO) Root Extract to further boost the performance of the serum
[ FOR ALL HAIR TYPES ]: Suits all hair types: Oily, Dry , Normal or Combination (Oily Scalp & Dry) Ends

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8.1

The Ordinary

The Ordinary Sulphate 4% Cleanser for Body and Hair, Gentle Fragrance-Free Shampoo and Body Wash, 8.1 Fl Oz

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Main Highlights

GENTLE, FRAGRANCE-FREE CLEANSER: 4% Sulphate Cleanser for Body and Hair effectively cleanses without drying, suitable for daily use on both skin and hair.
SAFE FOR COLOUR-TREATED HAIR: This mild formula gently removes oil and dirt without affecting hair color, making it ideal for all hair types.
MOISTURIZES & REFRESHES: Provides a refreshing, moisturizing cleanse for the skin and scalp with a low concentration of SLES-2.
NON-IRRITATING FORMULA: Fragrance-free and gentle enough for all skin types, offering a balanced clean without stripping moisture.
APPLICATION INSTRUCTIONS: Work the cleanser into wet hair and body, then rinse. Patch test before use and avoid broken skin.

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Our Best Overall Choice

Best Choice

9.7

Mise En Scene

Mise En Scene Perfect Serum Original - Heat Protectant Hair Oil for Frizzy & Dry | Argan Oil | Visibly Smooths & Softens | Add Shine All Hair Types | Damage Repair | Fruity Floral Scent, 2.7 Fl Oz.

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

. : Feel the immediate effect of iconic serum trusted by millions.Long lasting hydration effect that makes your hair shine and healthy all day You can feel less frizz & dry, tangle, roughness, cracks, and split-ends!
º : Style it with confidence. This serum forms a protective layer on your hair, shielding it from heat damage caused by dryers and irons - up to 446ºF!
: Powered by Golden Moroccan Aragan Oil and a blend of Olive, Coconut, Apricot, Marula, Jojoba, and Camellia Oils - provides nourishment, smooths for visibly healthier hair.
: This product does not contain Alcohol, Paraben, Paraffin, Propylene Glycol, Ammonia, Formaldehyde. suitable for all hair types and textures, including dry or curly hair
: For best results, pair with Original Shampoo, Conditioner and Treatment. Complete your routine with the full Perfect Serum care line-up for perfect shine and softness, keeping the scent.

Show Price

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