Light emitting hair growth management device companion application

A computer-implemented method for adjusting a usage plan for a light-emitting hair growth management device, the method comprising:

• providing, in a scheduling application of an electronic device, a usage plan comprising one or more planned usage events, the or each planned usage event having a corresponding date associated with said or each planned usage event;
• obtaining, by the electronic device, an indication of a hair density of hair present on a body part associated with the usage plan;
• and adjusting, by the electronic device, a date of at least one of the one or more planned usage events based on the indication.

A non-transitory computer-readable medium storing instructions thereon which, when executed by a processor of an electronic device, cause the electronic device to:

• provide, in a scheduling application of an electronic device, a usage plan comprising one or more planned usage events, or each planned usage event having a corresponding date associated with said or each planned usage event;
• obtain an indication of a hair density of hair present on a body part associated with the usage plan;
• and adjust, by the electronic device, a date of at least one of the one or more planned usage events based on the indication.