This is most probably balanitis circinata. There are various possible cause like due to bacterial or fungal, any type of allergic rxn toward new type of shop or gel if you use or your partner have any type of infection related to genital.
Avoid pressing it, it will create more problem.
Next Steps
infection if spread then only problem otherwise no issue.
Don't rube it when wet, dry with pad method.
Health Tips
take homoeopathic medicine very fast recovery you got.