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Hydrating Scalp Serum

New

Happy Roots Scalp Care

Leave-in serum for all scalp types that hydrates, soothes, and revitalizes for a healthy foundation.

Perfect For:

  • Instant hydration
  • Refresh & energize
  • Balancing

Find your scalp match. Take the quiz.
Dermatologist Tested
Free of sulfates & parabens
Vegan & cruelty-free

The Details

  • Ideal for
    Dry, dehydrated scalps in need of lightweight, daily hydration
  • How it Works
    Delivers instant, lightweight hydration
  • When to Apply
    Dry or clean, damp hair post shower
  • How Often
    Use at least 3 times a week. Safe for daily use
How To
  1. Shake well before use.
  2. Apply directly onto the scalp in a gridlike pattern on dry or clean, towel-dried hair.
  3. Part the hairline and dispense 1–2 drops per section, working evenly across the scalp.
  4. Gently massage until fully absorbed.
  5. Do not rinse.
  6. Use at least 3 times a week. Safe for daily use.

*For all serums, allow 6 weeks of consistent use for best results. 

 Ingredients

Key Ingredients

Dual-Weight HA (Hydrolyzed Hyaluronic Acid + Sodium Hyaluronate) - Two forms of hyaluronic acid work together to enhance hydration & balance

Pro-Vitamin B5 (Panthenol) - Helps hair feel soft, smooth, and conditioned 

Peppermint Leaf Extract - Delivers an instant cooling sensation that helps soothe itch & irritation 

Natural Betaine - Helps hydrate & comfort sensitive scalps 

Ingredients: Water/Aqua/Eau, Betaine, Propanediol, Glycerin, Inulin, Citric Acid, Panthenol, Polyquaternium-37, Lactic Acid, Almond Oil Glycereth-8 Esters, Caprylyl/Capryl Glucoside, Sodium Benzoate, Alpha-Glucan Oligosaccharide, Sodium Hydroxide, Tartaric Acid, Potassium Sorbate, Glucose, Disodium EDTA, Acer Saccharum (Sugar Maple) Extract, Isopropyl Alcohol, Tetrasodium EDTA, Citrus Limon (Lemon) Fruit Oil.

*At L’ange, we’re committed to maintaining the accuracy of the ingredient lists on this website. However, because ingredients are subject to change, we cannot guarantee that these lists are complete, up-to-date, and/or error-free. For an accurate listing of ingredients in this product, please refer to your product packaging.

See It In Action

The Experience

The Experience

Feels like

A refreshing, water-light serum that disappears into the scalp

Smells like

A cool, crisp hint of peppermint

Real Results

Real Results

96%

of users reported an immediate feeling of hydration*

88%

reported the scalp felt refreshed & energized*

* Consumer use study, 26 subjects, 28 days. Individual results may vary.

Inside the Formula

Our formula was built around one idea: a hydrated scalp is the foundation for healthy-looking hair. Every ingredient is chosen to help get you there.

Find Your Match

Find Your Match

Ideal for

Dry, dehydrated scalps in need of lightweight, daily hydration

Benefits

Hydrates and comforts the scalp
Lightweight hydration with a cooling, refreshing finish
Supports a healthy scalp foundation for beautiful-looking hair

The results

Scalp that feels hydrated and balanced

Where it fits in your routine

After shampooing, on dry or towel-dried hair. Use at least 3x a week. Do not rinse

Key ingredients

Dual-Weight Hyaluronic Acid, Pro-Vitamin B5, Peppermint Leaf Extract & Natural Betaine

    Frequently Asked Questions

    1. Will this make my hair look greasy or weigh down my style? Not at all. Happy Roots Hydrating Scalp Serum is lightweight & formulated to provide moisture where you need it without leaving residue or weighing roots down. 2. Can the serum be used on wet or dry hair? Yes, both! Apply to dry or towel-dried hair for best absorption. Safe for daily use. 3. How often should I apply the serum for best results? Use at least 3x a week for best results. For consistent improvement, use daily over 4–6 weeks — your scalp takes time to rebalance. 4. Can I use this with other Happy Roots products? Yes! The Hydrating Scalp Serum is designed to work with other products in the Happy Roots collection. Each product is formulated for a specific scalp concern, so the right pairing depends on what your scalp needs most. Not sure what your scalp concern is? Take our scalp quiz to find your perfect Happy Roots routine. 5. When will I start to see results? Most users notice an immediate feeling of hydration after the first use. For visible, lasting results use consistently over 4–6 weeks. 6. Is this serum vegan and cruelty-free? Yes! Happy Roots Hydrating Scalp Serum is vegan, cruelty-free, and free from sulfates and parabens. 7. Can I use this if I have a sensitive scalp? Absolutely! Our Hydrating Serum is gentle and perfect for normal-to-sensitive scalps looking for a refresh. If your scalp just feels a bit dry, tight, or needs a boost of revitalization, this is a great daily option. However, if your sensitivity includes active irritation, redness, or ongoing discomfort, we highly recommend our Scalp Calm Serum instead. It is specifically formulated to instantly soothe and comfort highly reactive skin.

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