Kristin Ess The One Signature Conditioner is a versatile, color safe + keratin safe formula that smooths and softens dry + damaged hair, giving you a bouncy blowout. It weightlessly moisturizing enough to nourish where your natural oils can’t reach. This sulfate-free + cruelty-free shampoo can be used daily. Rotate in Kristin Ess Strand Strengthening Reconstructive Moisture Mask when you need a moisture boost.