OYA Developer Lotion 1L

OYA Developer Lotion.
4 dedicated lotions for use with Oya permanent color.
1 dedicated lotion for use with Oya demi permanent color.  

Use 5 vol (1.5%) OYA developer with Oya demi permanent color shades to cover white, and to lighten up to three levels.
Use 10 vol (3%) OYA developer with Oya permanent color to refresh lengths and ends or with Oya Lightening Powder to lighten up to three levels.
Use 20 vol (6%) OYA developer with Oya permanent color to cover white, to darken to change the reflect and to lighten up to one level, or with Oya Lightening Powder to lighten up to five levels.
Use 30 vol (9%) OYA developer with Oya permanent color to cover white, to lighten up to two levels, or with Oya Lightening Powder to lighten up to seven levels.
Use 40 vol (12%) OYA developer with Oya permanent color to cover white hair, and to lighten up to three levels.

HOW TO USE:
Mixing ratio 1:1 (1 part color with 1 part OYA Lotion).
For professional use only.