Deep repair for long-haul lengths. La Biosthétique Long Hair Protective Repair Mask is an intensive weekly treatment that nourishes and repairs long, stressed lengths and ends. 150 ml. La Biosthétique is the French-founded professional brand known for scientifically formulated, plant-powered hair care used in salons across Europe.
Key Ingredients, Explained
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Protective plant oils: Nourish and coat long lengths to reduce friction, tangles and split ends.
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Moisture-binding conditioners: Keep long hair supple so it bends instead of breaking.
Why We Love It
- Intensive repair.
- Smooth, soft ends.
- Weekly treatment.
Best For
Long, dry or damaged lengths.
How to Use
- After shampoo, apply to towel-dried lengths.
- Leave for 5 to 10 minutes.
- Rinse.
Pro Stylist Tip
Focus on the bottom third of your hair, the oldest and most fragile part.
Ingredients
Key ingredients are listed above. The full ingredient list is printed on the packaging.
Frequently Asked Questions
How often should I use it?
Once a week.
Can I use it instead of conditioner?
Yes, on mask days.
Is it OK for fine hair?
Use it on the ends only.
Where can I buy La Biosthétique in Alberta?
Online at denimandsmith.com, shipped from Calgary, or at any Denim & Smith location across Calgary, Edmonton, Cochrane, Okotoks and Rocky View.