Applying aloe vera gel can help reduce pain and promote healing, especially for blisters caused by minor burns or sunburns.
Green tea has antioxidant and anti-inflammatory properties. You can apply diluted green tea extract with a carrier oil directly to the blister or use a cool, wet green tea bag as a compress.
Tea tree oil has antibacterial and anti-inflammatory properties. Mix tea tree oil with a carrier oil and apply it to the blister or use it as an antibacterial wash.
Soaking the blister in apple cider vinegar or gently swabbing it around the open area can help prevent infection due to its antibacterial properties.
Applying castor oil with a cotton ball can help heal the blister. It's important to cover the blister with a bandage after popping it to avoid infection.