From the Manufacturer: 

Olaplex 4-in-1 Moisturizing Mask is a new professional strength treatment, unique to the Salon with elevated levels of ceramides, oils and amino acids for a luxurious post-chemical moisture service

• Nut Free, Paraben Free, Phosphate Free, Phthalate Free, Sulfate Free, Vegan, Gluten Free, Cruelty Free, PH Balance, DEA Free, Aldehydes Free, Formaldehyde Free

• All Hair Types

What It Does

• All OLAPLEX® products contain our patented bond-building technology, strengthening fragile bonds with every step of the routine for the healthiest hair possible. That same revolutionary technology is now infused in a mask for professional salon use only.

• Formulated for clients in need of moisture, especially for more severe dryness and damage

• Moisturizes, smooths, adds shine and body in 10 minutes at the bowl for a clients' full OLAPLEX® experience

• Intensely concentrated for up to 100 uses per bottle