Hello kavitha. For reducing stretch marks on your stomach you can use The Moms co stretch oil and natural body butter cream. These products have natural ingredients and 100% safe toxin free products. They are absolutely safe to use after pregnancy. Even I used the products after my pregnancy. So effective.

I sware by mama earth

Here is link to buy Mamaearth product: https://www.babychakra.com/products/4194-mamaearth-stretch-marks-cream-to-reduce-stretch-marks-scars

You can by Mamaearth's stretch marks oil or cream from BabyChakra.

Ye article padhiye: https://www.babychakra.com/learn/360-stretch-marks-occurrence-prevention-cure