L'Oreal Professionnel Serie Expert Pro Longer Filler A100 + Amino Acid Pro Longer Mask 250ml 8.4oz Size:500ml 16.9oz Formulated with a 24 hour 234157 Formulated with a 24 hour anti humidity filter Effectively smooths unruly hair Offers superior control & luster all day Contains a UV filter to shield hair under persistent sun exposure Great for blow drying naturally curly or frizzy hair To use: Apply to clean Dry naturally or blow dry with a diffuser for added volume & curl definition A length renewing treatment for long hair suffering from thinned ends Uses FILLER A100 a patented technology that penetrates the fiber core to thicken ends & re surface hair Formulated with Amino Acid that adds strength to the fiber Instantly renews hair & reduces split ends Reveals longer