Credit: BuzzFeed.com

Biosilk Silk Therapy Original – Therapy A paraben-free replenishing serum to help prevent split-ends and give you that slow-motion-shampoo-commercial shine.

@biosilkhaircare / Via instagram.com

Psst, you can also use this to protect your hair against the hot wrath of a flat iron.

Promising review: “This is an excellent product! I put some on before I flat-iron my hair: it moisturizes without leaving a greasy feeling, and helps protect my hair from damage. I bought a bottle at my hairdresser’s salon, but this price is better!” —JC Jazze

Get it from Amazon for $18.23 or Jet for $15.05 (originally $17.49).