It is easy to fill and squeeze. It provides equal distribution to the hair roots. It is easy to use. It has a simple but lightweight design. Made of plastic - not easy to break. Lightweight and easy to carry - washable and reusable for long-term use. At home, at the hairdresser, etc. It allows you to easily apply it to your hair in places. With its application method, it also massages your hair roots. USAGE: Fill the bottle with hair care oil - then gently press the bottle to allow the oil to flow through the comb and apply by combing your hair roots. PRODUCT COLOR WILL BE SENT DEPENDING ON STOCK AVAILABILITY.