The hydrogen peroxide helps moisten age spots to dissolve them without damaging surrounding skin. Some people need more than one treatment in order to dissolve an age spot completely, especially if it's large or very dark.
Skin Lightening
Hydrogen peroxide works as a bleach. This means it could help lighten dark areas of the skin, such as those caused by: Sun damage.
The ATSDR note that exposure to diluted solutions of hydrogen peroxide can cause temporary skin bleaching. An older study suggests that a concentration of 20–30% is necessary to lighten the skin — a range far greater than the 3% concentration deemed safe in household products.
Age Spot Procedures
If you want to get rid of dark spots fast, a procedure that removes layers of discolored skin may work better than a lightening cream. These techniques include laser treatments, freezing (cryotherapy), dermabrasion, microdermabrasion, microneedling, and chemical peels.
You can use hydrogen peroxide to lighten acne scars, age spots, and other skin discolorations. Use a cotton pad to apply a thin layer of peroxide to the affected area. Let it sit for 10 minutes, then rinse with water. Over time this treatment will lighten those spots and make them much less noticeable.
People can attempt to treat age spots at home using over-the-counter (OTC) topical creams and lotions. These products may help lighten the skin and cause the age spots to fade. Skin-lightening products may contain the following ingredients: azelaic acid.
Hydrogen peroxide used to be a popular antiseptic for cleaning wounds and treating acne. But it's not a good idea to use it for those purposes, since it can irritate your skin. If you don't want to throw away your hydrogen peroxide, you can use it for disinfecting around the house.
Because hydrogen peroxide has very strong bleaching properties, it can lighten dark skin areas such as dark spots caused by sun damage, aging, scars or hormonal changes.
So to answer if vaseline removes dark spots - No, regular Vaseline is just petroleum jelly that seals in moisture and doesn't contain any ingredient that would remove dark spots.
Colgate can lift ink spots from cloth
Fortunately, Colgate can help you revive it! Apply some Colgate on to the ink spot and let it sit. After waiting for a couple of minutes, run the spot under cool water while slowly massaging the toothpaste into the stain.
Kojic acid
Committing to a dark-spot-correcting serum with any and all of the brightening ingredients we mentioned before (vitamin c, retinol, tranexamic acid, kojic acid)—can significantly speed up the process and help fade dark spots even faster.
Don't use hydrogen peroxide on wounds
“Hydrogen peroxide has fallen out of favor as a wound cleanser,” Dr. Beers says. “Studies have found that it irritates the skin. It may prevent the wound from healing, doing more harm than good.”
Hydrogen peroxide is a common and effective active ingredient in many commercial teeth whitening solutions. Products containing peroxides, such as hydrogen peroxide and carbamide peroxide, act as bleaching agents to change the color of the teeth.
Shock, coma and convulsions may ensue and pulmonary oedema may occur up to 24-72 hours post exposure. Severe toxicity has resulted from the use of hydrogen peroxide solutions to irrigate wounds within closed body cavities or under pressure as oxygen gas embolism has resulted.
Reduces age spots
Regular use of apple cider vinegar can reduce age spots. The alpha hydroxy acids present in it will make your skin healthy and remove dead skin. Mix apple cider vinegar and water in 1:1 ratio and wash your face with it. You can also use a cotton ball to apply this solution on your face.
Vitamin C (or ascorbic acid) is especially fantastic at treating age spots on the face because it depigments or reduces melanin on the skin—thereby removing dark spots.
Lemon juice can help fade away dark spots and scars
Applied topically, lemon juice will work to gradually reduce the appearance of blemishes and acne scars.
Avoid using hydrogen peroxide. While hydrogen peroxide is sometimes used as a skin disinfectant, you should never use this product without consulting your doctor first. The pure formulas you can buy at the drugstore aren't proven to be effective for any other skin concerns and conditions.