Thanks for the query.
According to your description, the growth could be a swollen lymph nodes
Lymph nodes can get enlarged due to any underlying infection.
If the hair follicle gets occluded that can cause folliculitis.
Some other possibilities are benign growths like lypoma, skin tags
You once consult general surgeon
and get examined.
By examination she can found out the exact nature of the lesion and treatment can be taken accordingly.
If there is any possibility of infection you may need one course of antibiotics.
Benign lesions can be removed or left alone depending on the symptoms.