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Perfect hair Day (PhD)
You shouldn’t need a PhD to have a perfect hair day.
The biggest anti-frizz breakthrough in 30 years.
Body and volume that lasts (and lasts).
Combat the signs of aging for beautiful, healthy hair at any age.
Break the cycle of damage.
Our hair stylists’ visions combined with our scientists’ smarts.
For long-lasting, touchable hold
Get curls that last 2x longer