L'Oreal Studio Line Indestructible Gel-Glue Xtreme Hold 150ml lets you confidently style your hair with extremely strong hold for ahairstyle that's indestructible throughout the day. Style advice: 1. Apply on dry or damp hair. 2. Spread evenly all over your hair. Then stretch it from the roots to the tips to create spikes. Twist the sections for larger spikes. Smooth it with your palms for an ultra sleek style.