Augustinus Bader

The Leave-In Hair Treatment

This soothing serum replenishes to leave strands full of luster, reduce breakage, and support natural hair growth.

Smooths strands, boosts shine, and tames frizz

Fortifies hair without weighing it down

Supports growth with less breakage and shedding

Helps reverse brittleness and improve hair thickness

Noticeably reduces the appearance of split ends

Clean science

Ideal for all hair types and textures

Regular price $50
Sale price $50 Regular price

Augustinus Bader

The Leave-In Hair Treatment

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This soothing serum replenishes to leave strands full of luster, reduce breakage, and support natural hair growth.

Smooths strands, boosts shine, and tames frizz

Fortifies hair without weighing it down

Supports growth with less breakage and shedding

Helps reverse brittleness and improve hair thickness

Noticeably reduces the appearance of split ends

Clean science

Ideal for all hair types and textures

Product description

The Leave-In Hair Treatment by Augustinus Bader is a game-changing rehydrating serum designed to help with shedding, frizz, breakage, split ends, and damage from over-styling or color-processing. Antioxidant-packed, this concentrate instantly improves your hair’s appearance while promoting its long-term health.

Augustinus Bader

The Leave-In Hair Treatment

Benefits Include:

  • Super hydrating and retains moisture
  • Softens and detangles to reduce breakage
  • Combats damage from styling and environmental stressors
  • Supports scalp health with anti-inflammatory properties
  • Sulfate-free formula maintains hair color
  • Offers natural UV protection

Why Jess loves it...

"I am constantly on the lookout for leave-in hair products, and this does not disappoint. It doesn't leave me looking like a grease pit - tames flyaways and helps with styling."

How to use

Apply a small amount to clean, dry, or towel-dried hair. Use fingertips or The Neem Comb to work from the scalp to mid-length to the ends. Allow hair to dry naturally or blow dry for an enhanced finish. Can be used on both dry and damp hair.

Key ingredients

  • TFC8®: A complex of natural amino acids, high-grade vitamins, and synthesized molecules guide nutrients and ingredients to skin cells to assist in the body’s repair and renewal.
  • Tara Fruit Extract & Sunflower Seed Oil Blend: Naturally protects hair against heat, pollution, and UV. Repairs chemically treated hair, prevents color fading, and restores hair vitality.
  • Rambutan Fruit Extract: Revitalizes and protects the scalp and hair follicles against pollution. Hydrates the scalp and delivers free radical protection for shinier hair.
  • Shikakai Extract: Naturally softens, detangles, and refreshes the hair while keeping the scalp hydrated.
  • Neem Extract: Used for generations to treat hair loss. Antibacterial, antifungal, and anti-inflammatory support to optimize scalp health.
  • Biotin: Known to help thicken hair, stimulate growth, and prevent shedding.
  • Argan Oil: Nourishing and antioxidant packed with essential fatty acids and Vitamin E. Supports new hair growth and guards against visible damage while mending split ends and keeping hair silky soft.
  • Castor Seed Oil: Helps fight scalp inflammation and hydrates the hair shaft to improve elasticity and reduce the risk of breakage.
  • Oat Kernel Oil: Nourishes, soothes, and supports the elasticity of the hair cuticle. 
  • Vitamin B5: Soothes, moisturizes, and softens from root to tip.
  • Vitamin E: Helps fend off free radicals while maintaining cellular structure and optimizing hydration levels for soft vibrancy.
  • Bamboo Extract: Improves hair’s moisture retention and shine. Proven to soothe the scalp, improve its blood circulation, strengthen hair follicles, and grow thicker hair.

Clinical results

  • 100% agree hair looks and feels healthier after use. 
  • 90% agree The Leave-In Hair Treatment helps repair hair from heat. 
  • 97% agree hair feels easier to manage/style after use.

Reviews