There are three essential oils that can help thicken the hair: Rosemary is one of the best oils for enhancing hair growth, which thickens the hair. Rosemary oil is believed to increase cellular metabolism that stimulates hair growth. Cedarwood essential o
How to Thicken Hair: A Rich, DIY Mask
How to Thicken Hair. Ingredients Needed: 1/2 cup mayonnaise 1 tbsp castor oil 1 egg Directions: In a bowl, mix all ingredients together. Apply to damp hair and cover with a hot, wet towel. Leave on for 30-40 minutes and rinse out. Shampoo and condition as normal. Repeat 2-3 times a week for at least a month. Repeat once a week thereafter.