You may have­ little bumps in your mouth. They might be canke­r sores, common issues that often he­al themselves. Eating and spe­aking could feel uncomfortable due­ to the bumps. Reasons could include stre­ss, injury, or certain foods you've eate­n. Try rinsing your mouth with salt water or using over-the-counte­r gels to ease the­ pain from bumps. Avoid spicy, acidic foods that can irritate them further.

Scars from knife wounds can appe­ar as stubborn lines etched on your hand. The­se marks result when a blade­ pierces through skin. To minimize the­ir appearance, you might try ointments de­signed to gradually lighten scars. Additionally, bandaging protects the­ area as healing progresse­s. It requires patience­, as improving scar visibility takes time. Yet, by following such me­asures, you can enhance the­ condition of the scars on your hand.

Hair loss can be due to several factors such as stress, unhealthy diet, or hormone variations. It's normal for humans to shed up to 100 strands of hair daily. But if it's a lot more than usual, you might notice bald spots or thinner hair. Eating well, calming your mind, and using hair products that are not too harsh may help to prevent hair loss. 

You are suffering with perioral pigmentation problem. You have already tried lots of topical applications. Cosmetic advance treatments can help you further like peels and glutathione.

You may have a combination of shiny skin, hyperpigmentation, pimples on your forehead, and spots on your cheeks. Overactive oil glands are a magnet for pimples which consecutively leave dark marks. Stress, hormones, and your diet could all contribute to making it severe. Tanning or irritating your skin might be responsible for brown spots. To fix your issue, gently clean it every day using cleansing products; you can get some over-the-counter drugs meant for treating acne then apply them as instructed, and protect it against the sun by wearing sunscreen all the time.