is found the lightening function begins. The melanin is lightened by

one or more shades, depending on the oxygen concentration. Jingles

Professional Developer is currently available in levels: 5, 10, 20, 30,

and 40 volume.

To achieve the desired result, it is necessary to evaluate how many

tones we should lighten natural hair and to choose the hydrogen

peroxide volume.

Multi-Use Volume 5 Developer

• Semi-Permanent - Mix equal parts of 5 volume with Jingles Haircolor

and Jingles Intensive Treatment Conditioner.

• Demi-Permanent - Mix equal parts of 5 volume with Jingles Haircolor

(for better coverage; place under medium dryer for first 10 minutes).

• For other uses see training manual.