Living Proof - Perfect hair Day (PhD) Weightless Mask

by Living Proof
Sold out
$ 42.00
$ 33.60

Like a shot of espresso for your strands, this reviving mask invigorates dull, lifeless hair—without the weight of heavy silicones.

Revive dull hair, in just minutes. This weightless mask is the hair maintenance you never knew you needed. It enhances hair’s natural shine and makes it more manageable and polished. Formulated for fine to normal types, it smooths, strengthens, conditions, and won’t compromise volume.

      Key benefits

      • Up to 70% reduction in breakage after one use
      • Rejuvenates and rehydrates dull, lifeless hair without the weight—even fine or thin types
      • Replenishes healthy hair's naturally protective outer layer
      • Keeps hair cleaner, longer so you can wash less often


      To Use

      After shampooing, apply generously from roots to ends, leave on for five minutes. Rinse. Use 1-2 times per week as needed as a conditioner replacement.



      • Healthy Hair Molecule: Weightlessly polishes and smooths strands while keeping hair cleaner, longer.
      • Biomimetic emollient blend: Smooths and aligns individual hair fibers to boost overall shine, softness, and manageability.
      • Amino acid blend: Enhances shine and helps to keep cuticles sealed.
      • Natural hair moisturizer: Conditions hair and increases manageability.
      • Murumuru butter: Softens hair, increases elasticity, and enhances shine.

      Water/Eau/Aqua, Cetearyl Alcohol, Astrocaryum Murumuru Seed Butter, Behentrimonium Chloride, Octafluoropentyl Methacrylate, PPG-3 Benzyl Ether Ethylhexanoate, PPG-3 Benzyl Ether Myristate, Cetyl Alcohol, Lauryl/Myristyl Polyricinoleate, PCA, Myrica Cerifera (Bayberry) Fruit Wax, Sodium PCA, Sodium Lactate, Jojoba Esters, Arginine, Polyglycerin-3, Glycine, Linoleamidopropyl Dimethylamine Dimer Dilinoleate, Alanine, Serine, Helianthus Annuus (Sunflower) Seed Wax, Valine, Guar Hydroxypropyltrimonium Chloride, Proline, Threonine, Quaternium-87, Isoleucine, Histidine, Phenylalanine, Propylene Glycol, Cetyl Hydroxyethylcellulose, Hydroxyethylcellulose, Ceteth-20, Steareth-20, PEG-75 Stearate, Glyceryl Stearate, Fragrance/Parfum, Glycolic Acid, Aspartic Acid, Cetylpyridinium Chloride, Hydroxyacetophenone, Limonene, Hexyl Cinnamal, Linalool, Citronellol