Get ready to plop your curls! grab Garnier Fructis Sleek & Shine Intensely Smooth Leave- In Conditioning Cream, Sleek & Shine Anti-Frizz Serum and an old t-shirt. 1) Apply both treatments to wet hair. 2) Flip your head over and lower your hair onto the t-shirt,“plopping” it into a pile. 3) Wrap the t-shirt towards your neck and secure the ends. Leave on overnight for best curl results.