Whether your hair is feeling dull or lacklustre, the Living Proof Perfect Hair Day (PhD) Weightless Mask breathes new life into your mane so that you can always look your best. With a completely weightless feel, the mask never takes the bounce out of your strands, maintaining volume while increasing manageability for easier styling. It promises to never leave behind any heavy build-ups, washing out easily so that your hair and scalp stay clean and refreshed. Tangles will melt away, resulting in a 70% decrease in breakage while brushing. Your mane’s natural protective layer will also be replenished for a stronger, more resilient finish.With regular use, the hair mask delivers every one of the five key benefits of healthy-looking hair: polish, strength, conditioning, volume and smoothness, making this an all-round superhero, no matter your concerns.Safe for coloured and chemically treated hair.