Regestril: The Complete Guide

Quick answer: Regestril™ is a targeted complex developed to reduce the look of stretch marks (striae) — both newer red-purple marks and the appearance of established ones — by supporting the skin’s matrix and calming the processes that leave marks visible.

What is Regestril™?

Regestril™ is a trademarked active created specifically for stretch marks, one of the hardest cosmetic concerns to address. Stretch marks form when skin is stretched faster than its matrix can adapt — during growth, pregnancy or weight change — tearing the dermal structure and leaving a scar-like line that first looks red or purple, then fades to a pale, textured streak.

How Regestril™ works

Regestril™ is formulated to act on several fronts: supporting the rebuilding of the skin’s structural matrix where it was disrupted, helping calm the inflammatory and vascular activity that makes fresh marks look red, and encouraging a smoother, more even-looking surface. It works best on newer marks, where the skin is still actively remodelling, though it can help improve the look of older ones too.

What does Regestril™ do for skin?

• Reduces the look of stretch marks — targets both red-purple and paler established striae.
• Calms redness in fresh marks — helps the newest marks look less inflamed.
• Smooths texture — supports a more even-looking surface over time.

How to use Regestril™

Apply a Regestril™ treatment directly to the affected area (stomach, hips, thighs, chest) twice daily, massaging in. Consistency and early treatment matter most — newer marks respond better than long-established ones. Pair with a rich moisturiser to keep the skin supple.

Is Regestril™ safe?

It’s a topical cosmetic active generally well tolerated on body skin. If you are pregnant or breastfeeding, check any new product with your doctor first. This guide is general education, not medical advice; stretch marks are difficult to eliminate entirely and individual results vary.

Explore our other targeted actives in the Ingredient Glossary, or find your match with the skin quiz.

Frequently asked questions

What is Regestril?

A trademarked active developed to reduce the look of stretch marks by supporting the skin’s matrix and calming the processes that make marks visible.

Does Regestril work on old stretch marks?

It works best on newer, still-remodelling marks, but can help improve the look of older ones with consistent use.

Where can I use Regestril?

On body areas prone to stretch marks — stomach, hips, thighs and chest — applied twice daily.

Can I use Regestril while pregnant?

Check any new product with your doctor first during pregnancy or breastfeeding. We can’t give medical advice.

How long does Regestril take to work?

Stretch marks change slowly; expect gradual improvement over months of consistent use, with newer marks responding best. Individual results vary.