Indiana Code Title 25. Professions and Occupations § 25-8-2-20

(1) the use of natural or synthetic hair extensions, natural or synthetic hair and fibers, decorative beads, and other hair accessories;

(2) minor trimming of natural hair or hair extensions incidental to twisting, wrapping, weaving, extending, locking, or braiding hair;

(3) the making of wigs from natural hair, natural fibers, synthetic fibers, and hair extensions;  and

(4) the use of topical agents such as conditioners, gels, moisturizers, oils, pomades, and shampoos in performing the acts described in subdivisions (1) through (3).

(1) the application of dyes, reactive chemicals, or other preparations to alter the color of the hair or to straighten, curl, or alter the structure of the hair;  or

(2) the use of chemical hair joining agents such as synthetic tape, keratin, bonds, or fusion bonds.