Trusted by Over 265,000+ Happy Moms
5 Reasons Why Over 265,000 Moms Have Switched to This Stretch Mark Serum
By Emily Taylor May 24, 2026
REASON 1
True Belly Serum contains the only 2 ingredients clinically shown to help prevent stretch marks
Studies have shown that there are only two ingredients which have been proven to help prevent stretch marks: centella asiatica and hyaluronic acid.
However, most stretch mark products do not contain either ingredient, or only contain trace amounts of it.
Palmer's main ingredients are cocoa butter, shea butter, petrolatum, and coconut oil. And Bio-Oil's #1 ingredient is mineral oil.
True Belly Serum is the only stretch mark product formulated with both centella asiatica and hyaluronic acid as key ingredients.
What The Studies Show
A PubMed study found that 89% of pregnant women who were prone to getting stretch marks and applied a centella asiatica cream did not get any stretch marks. Whereas, every single woman in the placebo group got them.
In a separate double-blind study, pregnant women were either given a hyaluronic acid cream, a cream with vitamins, or a placebo to apply. Of the women who applied the hyaluronic acid cream, only 10% of them developed stretch marks. Whereas for the women who applied the vitamin cream or placebo, nearly 40% of them ended up getting stretch marks.
Reason 2
It actually reaches the layer of skin where stretch marks form
Stretch marks form in the dermis, or middle layer of the skin.
Most butters, oils, and creams only sit on the surface of the skin and cannot reach this layer.
True Belly Serum is specially formulated with lightweight actives that can sink deep into the skin and support it where stretch marks form.
Reason 3
True Belly Serum uses a high potency 40% titrated centella asiatica extract
You may find other products that claim to contain centella asiatica too. So what makes the True Belly Serum different? It comes down to the concentration of active compounds in the centella extract.
The two active compounds in centella asiatica that are responsible for stimulating collagen synthesis and increasing skin elasticity are:
True Belly Serum
40%
Asiaticoside + Madecassoside. Titrated extract at therapeutic concentration. This is the gold standard.
Most Centella Products
0.05%
Generic extract. Even if a product claims to be "100% centella extract", that extract may only contain 0.05% of active compounds and will not do much for your skin.
Reason 4
Formulated with clean, pregnancy-safe ingredients
True Belly Serum is formulated specifically for pregnant and postpartum moms.
It does not contain any retinoids, salicylic acid, hydroquinone, arbutin, parabens, or phthalates.
Unfortunately, many skincare products contain ingredients that aren't recommended for pregnancy or breastfeeding, including retinyl palmitate and phthalates which are often hidden under "fragrance" or "parfum".
Full ingredient list
14 ingredients. All clean and pregnancy-safe.
Reason 5
Every bottle comes with a 100-day money-back guarantee
Most stretch mark products do not allow for any returns or refunds once you've opened the package.
The True Belly Serum comes with an unconditional money-back guarantee.
Try the serum completely risk-free for 100 days. If you feel the serum hasn't worked for you, or if you didn't like it for any reason at all, just send one email to contact@8sheep.com and you will get a full refund within 24 hours. Even if you've already used up the entire bottle.
In Stock - Available For Delivery by August 30th
