After undergoing nail care or manicure, there may sometimes be itching and blisters around the nails. This may be a skin reaction caused by various reasons, including:

1. Allergic reaction: some nail products, such as nail polish, nail remover, glue, etc., may contain chemical ingredients that are irritating to the skin, which may cause allergic contact dermatitis for some people.

2. Infection: If the tools are not thoroughly disinfected during the nail art process, or if the skin around the nails is scratched, it may lead to bacterial or fungal infections.

3. Eczema: Frequent exposure to chemicals and water may lead to hand eczema, characterized by itching, redness, and blisters.

4. Physical damage: Excessive polishing or pulling of the skin around the nails may also cause inflammation and blisters.

To deal with this situation, the first step is to stop using products that may cause allergies and keep your hands dry and clean. Mild skin care products can be used to alleviate symptoms. In severe cases, it is recommended to consult a doctor and may require the use of anti allergic drugs or topical ointments.