Living Proof Perfect Hair Day (PhD) Shampoo
- Long-lasting hydration and shine
- Silicone-free formula
- Removes buildup and pollution
- Rich luxurious lather
Pro Tip
Follow with Perfect Hair Day Conditioner for the complete system benefits and optimal hair transformation.
Apply to wet hair. Lather. Rinse. Follow with Perfect hair Day Conditioner.
Key Ingredients
- Sodium Lauroyl Methyl Isethionate (gentle cleansing)
- Linoleamidopropyl PG-Dimonium Chloride Phosphate (conditioning)
- Polyquaternium-47 (smoothing)
- Maltooligosyl Glucoside (hydration)
Free shipping on orders $150+
Orders ship within 1–2 business days. Standard delivery takes 2–5 business days.
30-day returns
Unopened products in original packaging may be returned within 30 days. Customer is responsible for return shipping.
100% authentic
Every product is sourced directly from authorized distributors. Professional-grade, guaranteed genuine.
| Studio 1 Beauty | Ulta | Amazon | |
|---|---|---|---|
| Retail Price | $18.99 | $18.99 | $18.99 |
| First Order | 10% off | — | — |
| 10% Back as GLOW Bucks | 10% back ($1.90) | 3% ($0.57) | — |
| Your Value | $17.09 | $18.42 | $18.99 |
| Free Shipping | Over $150 | Over $35 | Free (Prime) |
| Returns | 30 days | 60 days | 30 days |
| Personalized for You | ✓ | — | — |
First order: 10% off + 10% back with GLOW Bucks (free to join). Every order after: 10% back as GLOW Bucks — real dollars you can redeem at checkout, never expire.
