L'Oréal Professionnel INOA 5.1 Light Ash Brown is an ammonia-free permanent hair color designed to deliver cool, natural-looking brown results with ash undertones. The advanced ODS² (Oil Delivery System) maximizes color performance while respecting hair integrity and scalp comfort.

This shade helps neutralize unwanted warmth, providing a refined ash finish with enhanced shine and softness.

Key Features

Shade 5.1: Light ash brown with cool reflect.

Ammonia-Free: Gentle on scalp with no strong odor.

ODS² Technology: Optimizes color penetration and hair care.

Gray Coverage: Up to 100% coverage.

Anti-Brass Effect: Neutralizes warm tones.

How to Use

Preparation: Mix INOA color with the recommended INOA oxidant (developer) in a 1:1 ratio.

Application: Apply evenly to dry, unwashed hair using a brush.

Development Time: Leave on for 35 minutes (or as per professional guidelines).

Emulsify: Add a small amount of water and gently massage the hair.

Rinse: Rinse thoroughly until water runs clear.

Shampoo: Follow with a color-safe shampoo to remove residue.

Professional Use Recommended: Best results when applied by a trained stylist.

Safety & Storage

Allergy Alert Test: Perform a skin allergy test 48 hours before each use.

Avoid Contact with Eyes: In case of contact, rinse immediately with water.

Use Gloves: Always wear suitable gloves during preparation and application.

Do Not Use: If scalp is irritated or damaged.

External Use Only: Do not ingest.

Ventilation: Use in a well-ventilated area.

Storage: Keep in a cool, dry place away from direct sunlight and heat.

Keep Out of Reach of Children: Store safely after use.