If you don’t have a coffee machine, you can make coffee by boiling water and then adding the coffee to the water. 2–3 tablespoons (30–44 ml) are used to make 1 cup (240 ml) of coffee. Use your favorite brand of dark coffee to dye your hair. [2] X Expert Source Mindy NguyenHolistic Cosmetologist Expert Interview. 8 October 2021.

Set a timer for 15 minutes to let the coffee cool down before you start using it.

Wrap a towel around your neck and wear an old T-shirt in case you get coffee on yourself. If you’re only dyeing certain sections of your hair, clip back the other sections using hair clips or hair ties so they don’t get in the coffee.

If you don’t have instant coffee packets, use 3–4 tablespoons (44–59 ml) of coffee grounds instead.

Don’t worry if the coffee grounds are visible spots in the conditioner.

If you don’t have a dye application brush, put gloves on your hands and use your fingers to spread the conditioner. Purchase a dye brush from your local big box or beauty store. [11] X Expert Source Mindy NguyenHolistic Cosmetologist Expert Interview. 8 October 2021.

Rinse your hair out in the sink or in the shower, depending on which is easier for you. [14] X Expert Source Mindy NguyenHolistic Cosmetologist Expert Interview. 8 October 2021.

Once you’ve achieved the right color, you’ll only need to use the coffee conditioner twice a month.

Look for henna powder designed specifically for hair at a big box store, beauty store, or online.

For example, you might pour the coffee into the henna 2 tablespoons (30 ml) at a time.

Try to remove as many lumps as possible by stirring the henna and coffee thoroughly.

Some henna packets might instruct you to leave the henna out for longer than 6 hours, such as overnight. Follow the instructions that come with your specific type of henna to be sure you’re using it properly.

For example, you might apply it to your roots only, to certain strands of grey hairs, or to your entire head. If you’re applying it to your entire head, section your hair into more manageable clumps using hair clips. Find a dye brush at your local beauty store, big box store, or online.

If you’re feeling uneasy about how the henna and coffee will affect your hair, leave the mixture in for a shorter amount of time.