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Does anyone know how to make a bright red semi-permanent hair dye to a darker red color? : r/HairDye
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Amazon.com : RAW Neon Red Demi-Permanent Hair Color, Vegan, Free from Ammonia, Paraben & PPD, lasts over 45 washes, 4oz : Beauty & Personal Care
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MANIC PANIC Vampire Red Hair Dye - Classic High Voltage - Semi Permanent Deep, Blood Red Hair Color - Vegan, PPD And Ammonia Free (4oz)
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Amazon.com : RAW Neon Red Demi-Permanent Hair Color, Vegan, Free from Ammonia, Paraben & PPD, lasts over 45 washes, 4oz : Beauty & Personal Care
![Amazon.com : RAW Neon Red Demi-Permanent Hair Color, Vegan, Free from Ammonia, Paraben & PPD, lasts over 45 washes, 4oz : Beauty & Personal Care Amazon.com : RAW Neon Red Demi-Permanent Hair Color, Vegan, Free from Ammonia, Paraben & PPD, lasts over 45 washes, 4oz : Beauty & Personal Care](https://m.media-amazon.com/images/I/61One24IneL.jpg)