Shop Products › Davines Heart of Glass Silkening Shampoo - 250ml Image 1 of 1 Davines Heart of Glass Silkening Shampoo - 250ml $34.00 Gentle shampoo to cleanse and clarifies blondes tones, providing nourishment to natural and cosmetically treated hair. Add To Cart Added! Gentle shampoo to cleanse and clarifies blondes tones, providing nourishment to natural and cosmetically treated hair.