How to Use Leftover Coffee for Hair Growth: Science-Backed Benefits and Easy DIYs

Coffee is loved by everyone. But did you know that the remaining stuff left in your filter can actually help your hair too? You can use it on the scalp as exfoliation and the caffeine present in it is a good means to stimulate follicles. The leftover coffee which is considered waste, can be DIY hair care because of its sustainable ingredients. This article explores the benefits of leftover coffee for hair health.

• Coffee rinse - After shampooing, you can use brewed black coffee, 1-2 cups of cooled over scalp. Massage the head for 2 minutes and leave it for 10-15 minutes then rinse with water. This process improves the shine of hair and slightly tints darker hair.

• Coffee as scalp scrub - mix 1-2 tablespoons of used coffee with 1 tablespoon coconut or olive oil. Gently massage the solution on a damp scalp for 1-3 minutes then leave it for 5-10 minutes then rinse and shampoo. This will remove dead skin cells from the scalp and help the follicles breathe better.

• Coffee and conditioner/hair mask - Add 2-4 tablespoons of cooled brewed coffee into your regular conditioner or aloevera mask or yogurt then apply the pest from roots to ends of your hair, leave it for 10-20 minutes then rinse. It will add antioxidants to your scalp and can improve hair texture and provide a shine while conditioning.

There are laboratory studies that say the presence of caffeine inside leftover coffee helps to stimulate hair follicle activity. It increases cell proliferation and counters testosterone-related suppression of follicle growth in hair.

Recent reviews regarding coffee or caffeine in cosmetic science says that coffee contains bioactive compounds that are useful for personal care.


Whether it is a brewed coffee rinse or ground scrub, coffee has the potential to improve the condition of the scalp and the appearance of hair providing a well-textured and shiny look.

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Q1. How long to leave coffee in hair?
Ans: 15-25 minutes

Q2. What is the 2 hour coffee rule?
Ans: Delaying your morning coffee for at least 2 hours after waking

Q3. What time is healthiest for coffee?
Ans: between 9:30 a.m. and 11 a.m