Baking soda is not a proven or recommended treatment for dark spots, wrinkles, or dark circles. Although it may temporarily make skin feel smoother, its alkaline pH can disrupt the skin barrier and cause dryness, irritation, redness, or worsening pigmentation, particularly on facial skin.
Better options for each concern
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Dark spots: Daily broad-spectrum SPF 30+ is essential. Ingredients such as vitamin C, niacinamide, azelaic acid, or retinoids may help gradually fade pigmentation.
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Fine lines/wrinkles: Sun protection and a topical retinoid/retinol have substantially better evidence than household remedies.
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Dark circles: The cause matters. Genetics, pigmentation, allergies, lack of sleep, hollowness, and visible blood vessels can all contribute, so there isn’t one universal treatment.
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Dry or dull skin: Use a gentle cleanser and a fragrance-free moisturizer rather than an abrasive baking-soda scrub.
If you already used baking soda
Rinse it off gently with lukewarm water, don’t scrub, and apply a bland moisturizer. Stop if you develop persistent burning, swelling, or a rash.
Avoid putting baking soda around the eyes, where the skin is particularly delicate.
If you tell me whether your main concern is dark spots, wrinkles, or under-eye circles, I can suggest a simple evidence-based routine for it.
