Katherine Sara on Instagram: "shiny, healthy, long hair without the junk. before going nontoxic i bleached like crazy, and i grew my hair back to a healthy state in under two years with simple, consistent care. this is the scalp spray i make and use my rosemary acv spray what you need: 1 tbsp apple cider vinegar, 7 tbsp distilled water, 3/4 tsp rosemary castor oil how to mix: add acv to a clean bottle, add water, whisk the oil in a cup and funnel it in. cap and shake for 10 to 15 seconds. it wil