"the best most hydrating conditioner!! I often used the trilliance which is amazing and i couldn’t sworn i wouldn’t try better but the hydra has topped it." - Zoe
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"the best most hydrating conditioner!! I often used the trilliance which is amazing and i couldn’t sworn i wouldn’t try better but the hydra has topped it." - Zoe
Why you’ll love it
Colour Safe.
Hair will be left with silky body and bounce.
Rehydrates dry, frizzy, or chemically treated hair back to health.
Sebastian Professional Hydre Conditioner is a quintessential step towards achieving deeply moisturised, healthy locks.
As part of a comprehensive hydration regimen, this professional moisturising conditioner is specifically formulated to quench the thirst of dry, frizzy, or chemically treated hair. It not only deeply nourishes but also detangles, ensuring silky smooth movement and a voluminous look. Its potent formula is designed to fortify hair strands, repair damage, and transform hair into a shiny, strong, and stress-free state. Ideal for those with hair that demands intensive moisture and repair, the Hydre Conditioner promises to restore vitality and health, making it an indispensable part of your hair care routine.
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Directions
How To Use Sebastian Hydre Conditioner
Cleanse hair with Sebastian Hydre Shampoo. Remove excess water from hair. Apply through hair, concentrating at the ends. Rinse thoroughly.
The water base that carries and dissolves the other ingredients in most products.
May suit
All hair and skin types.
Worth knowing
Almost always the first ingredient listed in water-based products.
Stearyl AlcoholConditioning agents
Emollient and thickener
A fatty alcohol that helps soften the hair and give products a smooth, creamy texture.
May suit
People looking for conditioners or treatments that provide slip, softness and richer textures.
Worth knowing
Although called an alcohol, it is a waxy, non‑drying fatty alcohol commonly used to enhance conditioning performance and product stability.
Cetyl AlcoholConditioning agents
Emollient and texture enhancer
Cetyl Alcohol helps soften the hair and gives products a smooth, creamy texture.
May suit
Those looking for conditioning, slip, or richer textures in their haircare products.
Worth knowing
Despite the name, fatty alcohols like cetyl alcohol are non‑drying and are commonly used to add emollience and stability to formulations.
Behenamidopropyl DimethylamineConditioning agents
Conditioning agent
A conditioning agent that helps soften and smooth the hair while improving manageability.
May suit
Those looking for improved slip, reduced frizz, and easier detangling, especially in dry or textured hair.
Worth knowing
It is often used as a milder alternative to some traditional conditioning amines and works well in both rinse-off and leave-in formulas. It is commonly paired with fatty acids to enhance conditioning performance.
Glutamic AcidProteins and amino acids
Amino acid conditioning agent
An amino acid used to help condition hair and support moisture balance.
May suit
People looking for formulas that help smooth and soften hair without heaviness.
Worth knowing
Amino acids like glutamic acid can support the hair’s natural structure and improve the feel of conditioners and treatments. They are commonly used in both rinse-off and leave-in products.
Benzyl AlcoholPreservatives
Preservative
Helps preserve formulations and can also act as a solvent or light fragrance component.
May suit
Those interested in understanding preservative systems or identifying potential fragrance allergens.
Worth knowing
Benzyl Alcohol is commonly used in professional haircare to support product stability and texture. It can also naturally occur in some essential oils.
PhenoxyethanolPreservatives
Preservative
Helps keep the product stable and pleasant to use after opening.
May suit
All products that need protecting from spoilage.
Worth knowing
A very common, well-studied preservative used at low levels.
MethylparabenPreservatives
Preservative
Helps protect haircare products by preventing microbial spoilage.
May suit
Anyone who wants products to stay fresh and stable over time.
Worth knowing
Parabens like methylparaben are widely used because they are effective in very small amounts and have a long history of use in cosmetics. They help maintain product quality, especially in water-based formulas.
PropylparabenPreservatives
Preservative
Helps keep haircare formulas stable by preventing the growth of microbes.
May suit
Anyone using products that benefit from a long, reliable shelf life.
Worth knowing
Propylparaben is a widely used preservative that helps maintain product quality and freshness. It is used at very low levels and is well studied for its role in keeping formulations stable.
Propylene GlycolHumectants
Humectant
Helps hold moisture and carry other ingredients through the formula.
May suit
Most hair types as part of a moisturising formula.
Worth knowing
A widely used humectant and carrier ingredient.
Quaternium-80Conditioning agents
Conditioning agent
A conditioning polymer that helps smooth and soften hair while reducing static.
May suit
People seeking improved manageability, reduced frizz or a silkier feel in their hair.
Worth knowing
It is a cationic ingredient that deposits easily on the hair surface to enhance slip and detangling. Commonly used in conditioners, masks and leave-ins for a smoother finish.
Disodium EDTAChelating agents
Chelating agent
Binds to minerals from hard water so the product works consistently and stays stable.
May suit
All products, especially in hard-water areas.
Worth knowing
Used in tiny amounts to keep formulas performing reliably.
LinaloolFragrance ingredients
Fragrance component
A fragrance component found naturally in many flowers and spices.
Worth knowing
A fragrance component that must be listed separately on labels because a minority of people can be sensitive to it. Its presence is normal, required disclosure and is not a quality signal.
Citric AcidpH adjusters
pH adjuster
Fine-tunes the product pH, which can help the hair surface feel smooth.
May suit
Most hair types as part of a balanced formula.
Worth knowing
Usually present in small amounts to balance the formula.
Sodium ChlorideThickeners and stabilisers
Viscosity adjuster
Sodium Chloride is used to adjust the thickness of shampoos and other cleansing formulas.
May suit
Those interested in how a product’s texture and lather are achieved.
Worth knowing
It is a simple mineral salt that helps create a familiar shampoo feel and can influence how a cleanser spreads through the hair.
Oryza Sativa (Rice) Bran OilOils and butters
Emollient oil
A lightweight plant oil that helps condition and soften the hair.
May suit
Those seeking added softness, shine, or nourishment without a heavy feel.
Worth knowing
Rice bran oil is rich in fatty acids and antioxidants, which can support a smooth, conditioned hair feel. It is commonly used in both leave‑in and rinse‑off formulas.
Jojoba Seed OilOils and butters
Emollient oil
A lightweight plant oil that helps condition and soften the hair.
May suit
Those seeking smoother, more manageable hair or added moisture without heaviness.
Worth knowing
Jojoba oil is structurally similar to natural scalp oils, which makes it versatile in many haircare formulas. It is commonly used to enhance softness and shine.
Hydrolysed SilkProteins and amino acids
Silk-derived protein
A protein derivative that helps smooth and condition the hair.
May suit
Those looking to support softness, shine, or improve the feel of damaged or dry hair.
Worth knowing
Silk proteins can temporarily coat the hair, helping it feel smoother and more manageable. They are commonly used alongside other conditioning and moisturising ingredients.
BHTPreservatives
Antioxidant
BHT acts as an antioxidant that helps keep formulas stable over time.
May suit
Anyone using products that benefit from extended shelf life and maintained performance.
Worth knowing
It helps protect oils and other sensitive ingredients from breaking down when exposed to air and light. It is used in very small amounts to support product consistency.
Potassium SorbatePreservatives
Preservative
Helps keep haircare formulas stable by preventing the growth of microbes.
May suit
Anyone who uses water-based products that benefit from reliable preservation.
Worth knowing
It is commonly used alongside other preservation systems to maintain product freshness and extend shelf life. It is generally well tolerated in rinse-off and leave-in products.
Sodium BenzoatePreservatives
Preservative
Helps protect water-based products from spoilage so they stay usable.
May suit
All products that need a preservative system.
Worth knowing
Often paired with other preservatives for broad protection.
the best most hydrating conditioner!! I often used the trilliance which is amazing and i couldn’t sworn i wouldn’t try better but the hydra has topped it.
Reviewers can enter our monthly $50 draw, whatever their rating.
Cathy
Verified purchase
Purchased: 1 Litre
31 Oct 2025
I have used Sebastian Hydre conditioner for the past 20 years for my curly hair. It is the only conditioner that leaves my curls feeling nourished & glowing. I have tried other products but I always return to Sebastian Hydre as it hydrates my curls like no other conditioner.
martin
Verified purchase
Purchased: 250ml
5 Jul 2025
Best conditioner to be used with the shampoo. Never had a issue
Nitika
Verified purchase
Purchased: 1 Litre
29 Mar 2025
Love this! So gentle on my hair and leaves it feeling soft and smooth!
Kerry
Verified purchase
Purchased: 1 Litre
18 Oct 2024
I Have been using Sebastian Hydra Conditioner for many years along with Sebastian Shampoo, Hairspray, and Moose. I am a very happy Sebastian products user and cannot see me changing to another brand.
Ingrid
Verified purchase
Purchased: 1 Litre
8 Aug 2024
Is the best mate to Sebastian Hyde shampoo to provide all of why I buy the product. Great looking and feeling hair with no irritation to my scalp.