20 Volume Developer
Directions:
Demi-permanent: Mix any shade of Prorituals Hair Color Cream with equal parts 20 Volume Developer. Let process for 30 minutes. Lightens 1–2 tones.
Semi-permanent: Mix any shade of Prorituals Hair Color Cream with equal parts 20 Volume Developer and Hydrate Treatment. Let process for 30 minutes. Lightens 1–2 tones.