Berina Professional Hair Developer 9% is a professional-grade developer designed to activate hair color and achieve desired results. It works in conjunction with hair color to lift natural pigments and deposit new color molecules, resulting in vibrant and long-lasting hair color.
Key Features:
Activates hair color
Lifts natural pigments
Consistent and reliable results
How to Use:
Mix: Combine the desired amount of hair color with the developer according to the manufacturer's instructions.
Apply: Apply the mixture to your hair, starting at the roots and working your way to the ends.
Process: Leave the mixture on your hair for the recommended time.
Rinse: Rinse your hair thoroughly with warm water.
Sensitivity Test:
Before using any new hair care product, it's recommended to perform a patch test to check for any allergic reactions:
Apply a small amount of the product to a discreet area of your skin, such as the inside of your elbow.
Leave the product on for 24-48 hours.
Monitor the area for any signs of redness, itching, or irritation.
If no adverse reactions occur, you can use the product as directed.
If you experience any adverse reactions, discontinue use immediately and consult a dermatologist.