Baking soda is often suggested online for fading dark spots, but it’s not a good or reliable skincare treatment—and it can actually make things worse.
Why baking soda is a problem for skin
Your skin has a naturally slightly acidic barrier (around pH 4.5–5.5). Baking soda is very alkaline. When you apply it:
- It disrupts the skin barrier
- Can cause irritation, dryness, and micro-damage
- May lead to more dark spots (post-inflammatory hyperpigmentation) instead of fading them
So even though it’s popular in DIY videos, dermatologists generally advise against using it on the face.
What actually helps fade dark spots (safer + evidence-based)
If you’re dealing with dark spots from acne, sun, or irritation, these work better:
- Sunscreen (SPF 30–50 daily) — the most important step; without it, spots won’t fade
- Vitamin C — helps brighten and even skin tone
- Niacinamide — reduces pigment transfer in skin
- Retinoids (like adapalene or tretinoin) — speed up cell turnover
- Azelaic acid — great for acne-related dark spots and redness
- Glycolic or lactic acid (AHAs) — gentle exfoliation over time
If you still see baking soda “hacks”
Some videos mix baking soda with lemon juice or scrubs. That combination is especially harsh and can cause burns or long-term discoloration.
Bottom line
Baking soda doesn’t safely fade dark spots—it can irritate skin and prolong the problem. Consistent sunscreen + proven brightening ingredients will give far better results over time.
If you want, tell me your skin type (oily, dry, acne-prone, sensitive), and I can suggest a simple routine to actually fade those spots safely.