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Tea dyeing your hair brings out natural highlights by enhancing your existing color instead of covering it up. Tea dyes also contain no chemicals, making them safe for pregnant women, those with sensitive skin and children. Teas also won't damage your hair and make it dry and straw-like. Tea dyeing is perfect for those looking to tint their hair or bring out natural highlights.
Choose your tea. Chamomile, rhubarb, licorice root and saffron will enhance golden blonde hair and bring out blonde highlights. Coffee, black tea, bergamot, Earl Grey and Ceylon turn light hair brown and darken natural brunette hair. Rosehips, red hibiscus, calendula, rooibos tea, and weak, organic coffee will turn blonde hair red and give brunettes auburn highlights.
Add about 2 cups of soft water--never hard, as it will dry out your hair--to a saucepan. Bring the water to a boil and add two teabags of your chosen tea along with 2 tbsp. of apple cider vinegar. If using loose tea, use 2 tbsp. of tea leaves. Let the mixture steep for about 15 minutes, then strain out any loose leaves.
Wash your hair as you normally do, but do not condition or dry it. Squeeze the ends out very lightly with a towel so it isn't dripping wet but still thoroughly damp. Comb your hair out, gently untangling it.
Pour the steeped tea into a spray bottle. Spray your hair from roots to ends with the mixture. Your hair should be wet enough that it starts to drip steadily. Wrap your hair up in a towel and let the tea soak into your hair for 20 minutes.
Rinse your hair with cool water and dry normally. If your hair isn't dark enough, repeat the process again the next day. Some teas may take up to two weeks to change your hair color. The color should last up to two months.