Henna, etc. is a term used to refer to a variety of natural DYES and rinses that are used to color hair, skin, and nails. The crossword solutions for this term are 'DYES' (4 letters) and 'rinses' (6 letters). DYES are substances that are used to permanently change the color of hair, skin, and nails, while rinses are temporary solutions that are used to add color or shine to hair. Henna, etc. is a popular choice for those looking for natural alternatives to chemical DYES and rinses.