The Leave-İn Hair TreatmentThe Leave-İn Hair TreatmentThe Leave-İn Hair TreatmentThe Leave-İn Hair TreatmentThe Leave-İn Hair TreatmentThe Leave-İn Hair TreatmentThe Leave-İn Hair TreatmentThe Leave-İn Hair TreatmentThe Leave-İn Hair Treatment
1 / 9
Augustinus Bader · Haircare

The Leave-İn Hair Treatment

Replenishes, smoothes & strengthens hair without weighing it down
Size

Healthier hair in a bottle - strengthens, softens, and smooths while reducing breakage and styling damage and supporting natural growth and vibrancy. Powered byTFC8®.

Ingredients

AQUA/WATER/EAU, GLYCERIN, COCOS NUCIFERA (COCONUT) OIL, RICINUS COMMUNIS (CASTOR) SEED OIL, BEHENYL ALCOHOL, SODIUM ACRYLATES COPOLYMER, CITRIC ACID, MALTODEXTRIN, XANTHAN GUM, ARGANIA SPINOSA KERNEL OIL, PANTHENOL, AVENA SATIVA (OAT) KERNEL OIL, HYDROLYZED VEGETABLE PROTEIN, POTASSIUM SORBATE, SACCHARIDE ISOMERATE, HYDROXYPROPYL GUAR HYDROXYPROPYLTRIMONIUM CHLORIDE, LECITHIN, SODIUM BENZOATE, HYDROLYZED RICE PROTEIN, SODIUM PHYTATE, ACACIA CONCINNA FRUIT EXTRACT, MELIA AZADIRACHTA LEAF EXTRACT, TOCOPHEROL, HELIANTHUS ANNUUS (SUNFLOWER) SEED OIL, SODIUM HYDROXIDE, NEPHELIUM LAPPACEUM SEED EXTRACT, CAESALPINIA SPINOSA FRUIT POD EXTRACT, BIOTIN, CAMELLIA SINENSIS LEAF EXTRACT, HYDROGENATED LECITHIN, TOCOPHERYL ACETATE, HELIANTHUS ANNUUS (SUNFLOWER) SPROUT EXTRACT, SODIUM CITRATE, ALANYL GLUTAMINE, ARGININE, OLIGOPEPTIDE-177, SODIUM CHLORIDE, SORBIC ACID, PHENYLALANINE, SISYMBRIUM IRIO SEED OIL, BAMBUSA ARUNDINACEA STEM EXTRACT, HIPPOPHAE RHAMNOIDES FRUIT EXTRACT.

Where to findAvailable exclusively through authorised retailers, in store and online.

Why The Leave-İn Hair Treatment

Key Benefits
  • Replenishes and smooths strands, boosts shine, tames frizz, and strengthens hair without weighing it down.
  • Helps to support natural hair growth while preventing shedding and breakage.
  • Helps to reverse brittle or weakened hair - renewing strands, improving hair thickness, and noticeably reducing the appearance of split ends.
  • Ultra-nourishing and hydrating seals in nutrients and helps the hair retain moisture for silky locks with a healthy bounce.
  • Softens and detangles hair for easier combing and reduced breakage.
  • Combats damage caused by daily styling, color processing, chemical treatments, and environmental aggressors - for stronger, shinier, more resilient hair.
  • Ingredients that support improved scalp health with soothing, fortifying, and anti-inflammatory properties.
Visible 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
About
  • Ultra-nourishing, and fast-absorbing. Residue-free and does not weigh down hair.
  • Formulated without irritants, allergens, silicones, parabens, or sulfates. Fragrance-free.
  • Suitable for all hair types. Vegan.

How To Apply

Apply a small amount to clean, dry or towel-dried hair. Using fingertips or The Neem Comb, work from the scalp or midlength to the end of hair, focusing on areas of need. Allow hair to dry naturally, or blow dry for an enhanced finish.

  1. Use 2 to 3 times per week as needed.
  2. For best results, use in conjunction with the Augustinus Bader haircare system: The Shampoo, The Conditioner, The Scalp Treatment, and The Hair Oil.
  3. Suitable for all hair types.
Duration: 41s
The evidence is in

User Proven Results

The Leave-İn Hair Treatment
agree hair feels easier to manage/style after use
97%
agree frizz is reduced/tamed
93%
agree The Leave-In Hair Treatment makes hair shinier
97%

Key Ingredients

Augustinus Bader haircare is formulated with sustainably-sourced, high potency botanicals and bio-engineered clean actives where possible, to minimize environmental impact.

Tara Fruit Extract & Sunflower Seed Oil Blend

A potent plant-based duo. Naturally protects hair against stressors including heat, pollution, and UV. Restores chemically treated hair, prevents color fading, and helps restore overall resilience and vitality.

Rambutan Fruit Extract

A fruit-derived powerhouse. Revitalizes and protects the scalp and hair follicle against pollution. Hydrates the scalp and delivers free radical protection, for stronger, shinier hair.

Shikakai Extract

A beautifying botanical derived from an herb native to Asia. Naturally softens, detangles and refreshes hair, while keeping the scalp optimally hydrated, preventing flakiness, fortifying strands, and supporting growth.

Neem Extract

A powerful herb used for generations to address hair loss. Helps optimize scalp health while strengthening the hair follicles and encouraging growth.

Biotin

A vitamin essential to the body’s metabolic processes. Known to help thicken hair, stimulate growth, and prevent shedding.

Argan Oil

A nourishing antioxidant pressed from the argan nut. Packed with essential fatty acids and Vitamin E. Supports new hair growth and guards against visible signs of damage, mending split ends and helping hair look and feel silky and revitalized.

Castor Seed Oil

A naturally rich source of essential fatty acids. Helps fight scalp irritation and hydrates the hair shaft, maintaining elasticity and reducing the risk of breakage.

Oat Kernel Oil

An omega fatty acid and antioxidant powerhouse. Nourishes, soothes, and supports the elasticity of the hair cuticle, while forming a physical barrier to lock in moisture and prevent water loss, keeping strands plump and hydrated.

Vitamin B5

A super-hydrating soother. Moisturizes and softens from root to tip, making hair easier to comb while boosting strength and shine.

Vitamin E

A restorative anti-oxidant. Fends off damage by blocking free radicals, and helps maintain cellular structure, support barrier function, and optimize hydration levels, for soft, vibrant hair.

Bamboo Extract

Improves hair’s moisture retention so it has a healthy, natural shine. It is also known to help soothe the scalp, improve scalp health, and strengthen hair follicles to encourage regrowth.

Frequently Asked Questions

Is The Leave-in Hair Treatment fragrance-free, vegan-friendly and free from?

The Leave-in Hair Treatment is 100% vegan and free of gluten, GMOs, parabens, silicones, sulfates (SLS, SLES), DEA, fragrance, heavy metals, talc, and petrolatum/paraffin/mineral oil.

Is The Leave-in Hair Treatment packaging recyclable?

Housed in a 100% recyclable tube made from sustainable sugar cane and 100% recyclable cap. Carton and leaflet are FSC-certified and recyclable.

Is The Leave In Treatment safe to use with color treated hair?

Yes, it's a sulfate-free formula design to maintain your hair color. If you have any concerns, we recommend consulting your hairstylist before use.

Is The Leave-in Hair Treatment safe to use during pregnancy?

Yes, The Leave-in Hair Treatment is safe to use in pregnancy and breastfeeding.

Does The Leave-in Hair Treatment have a fragrance?

The Leave-in Hair Treatment is unscented, with no fragrance added.

How long does The Leave-in Hair Treatment last?

The Leave-In Hair Treatment should last around 2-3 months.

How many times a week shoud I use The Leave-in Treatment?

The Leave-in Hair Treatment can be used 2-3 times per week as needed.

Why use both The Conditioner and The Leave-in Hair Treatment?

The Leave-in Hair Treatment boosts hair-healthy properties of The Conditioner, further enhancing hair's natural growth, strength, shine, and resilience. The Leave-in Treatment offers an instant refresh at any point throughout the day.

Can this be used on dry hair or should it only be used on damp hair?

Yes, The Leave-in Hair Treatment can be used on both dry and damp hair.

Can The Leave-in Treatment be used as a heat protector?

The Leave-in Hair Treatment contains multiple powerhouse ingredients that protect against heat and combat damage caused by heat.

Is The Leave-in Treatment safe to use on keratin treated hair?

If you have any concerns, we recommend consulting your hairstylist before use.

Does The Leave-in Treatment can be used as a Sun Care protector?

The Leave-in Hair Treatment contains ingredients that offer natural protection against UV.