COLAB's Extreme Volume Dry Shampoo gives lifeless hair an instant backcombed boost for amazing body & oomph. Big Hair, Don't Care! COLAB is an award-winning dry shampoo created by a team of beauty insiders, including international blogger Ruth Crilly. Spray the incredible volume boosting formula into roots to absorb oil while adding instant backcombed volume, texture & lift. Fragrance Notes: Original scent with bergamot, rose, musk & magnolia.