Baking Soda for Skin: Can This Common Kitchen Ingredient Help Reduce Wrinkles and Dark Spots? Baking soda is one of the most versatile household ingredients, commonly used for baking, cleaning, and deodorizing. In recent years, it has also become popular in homemade skincare recipes that claim to brighten skin, reduce wrinkles, and fade dark spots. While baking soda may temporarily smooth rough skin by acting as a physical exfoliant, scientific evidence does not support claims that it can erase wrinkles, stimulate collagen production, or significantly lighten age spots . In fact, because baking soda is highly alkaline, frequent use may disrupt the skin's natural protective barrier and cause irritation. If you're considering adding baking soda to your skincare routine, it's important to understand both its potential benefits and its limitations. In this article, you'll discover what research says, how to use baking soda more safely, and better alternatives for heal...