| CPC A45D 20/12 (2013.01) [A45D 20/10 (2013.01); F26B 21/001 (2013.01); F26B 21/10 (2013.01); F26B 23/04 (2013.01); F26B 23/06 (2013.01); H01M 10/613 (2015.04); H01M 10/623 (2015.04); H01M 10/643 (2015.04); H01M 10/6563 (2015.04); H01M 50/213 (2021.01); A45D 2200/00 (2013.01); H01M 10/6235 (2015.04); H01M 2200/10 (2013.01); H01M 2220/30 (2013.01)] | 20 Claims |

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9. A hair styling apparatus comprising:
one or more heating elements positioned in a housing;
control circuitry coupled to a power source configured to control the one or more heating elements; and
one or more sensors coupled to the control circuitry, including a time-of-flight sensor configured to determine a distance from the hair styling apparatus to a user's hair and/or scalp.
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