No, it is neither safe nor effective to use baking powder or baking soda for skin lightening. Baking powder contains sodium bicarbonate mixed with acidic agents. Both substances are highly alkaline and can severely disrupt your skin's natural protective barrier. This disruption can lead to dryness, irritation, redness, and even chemical burns, which can ultimately cause post-inflammatory hyperpigmentation (darkening of the skin). For safe skin brightening, I highly recommend using gentle, dermatologically tested ingredients such as Vitamin C, Niacinamide, or Kojic acid. Please consult a dermatologist to find a safe treatment tailored to your skin.

Yes, baking soda can help whiten teeth by gently removing surface stains due to its mild abrasive properties. However, because it lacks fluoride and can wear down your protective enamel if used too aggressively, it should not replace your daily toothpaste. For safe whitening, look for toothpastes containing fluoride to protect your teeth, alongside active whitening agents like hydrogen peroxide, carbamide peroxide, or silica to lift stains. Always choose products with a recognized dental association seal of approval, and consult your dentist for personalized, safe whitening options.