Can stretch marks be removed with coconut oil?

Stretch marks, scientifically referred to as striae, result from a rupture of the collagen and elastin fibres within the dermis, most often following excessively rapid mechanical stretching of the skin. This phenomenon typically occurs during life stages characterised by major hormonal or bodily changes, such as puberty, pregnancy or rapid weight fluctuation. Initially inflammatory and purplish in colour, these linear scars eventually stabilise and take on a pearly white hue, marking an area where skin elasticity has been permanently impaired. Once stretch marks have turned white, they are permanent and can no longer be diminished by cosmetic treatments.

Stretch marks can sometimes be a source of self-consciousness, but certain active ingredients, such as coconut oil, can help to reduce their visibility.

Coconut oil acts at different levels to preserve the structure of the skin subjected to strong tension. Its first mechanism of action is its significant antioxidant capacity. During pregnancy or in the case of rapid weight gain, the body experiences an increase in oxidative stress, a state of imbalance in which free radicals, present in excess compared with the body’s antioxidant reserves, attack the cells. Thanks to its richness in lauric acid, polyphenols and vitamin E, coconut oil acts as a shield. It neutralises these unstable molecules, thereby protecting collagen and elastin fibres from degradation. In doing so, coconut oil helps the skin to maintain its structural integrity when stretched.

Beyond this antioxidant protection, coconut oil acts directly in the process of dermal repair and synthesis. Scientific data suggest that its fatty acids stimulate fibroblasts, the cells responsible for collagen production. By promoting this synthesis, coconut oil helps to increase dermal density and improve skin elasticity, allowing it to stretch more easily without tearing. It also supports angiogenesis, that is, the formation of new blood vessels, which optimises the supply of nutrients and oxygen to the stretched tissues, thereby facilitating more effective internal healing of the micro-traumas that constitute stretch marks.

Finally, coconut oil has anti-inflammatory and emollient properties that are crucial for preventing the worsening of stretch marks. By inhibiting certain inflammatory mediators, such as the cytokines IL-6 and TNF-α, it helps to limit the red inflammatory phase of emerging stretch marks, which is associated with deep tissue damage. At the same time, its lipid nature strengthens the skin barrier and slows down transepidermal water loss. This intense hydration keeps the skin supple and elastic, providing it with the resilience needed to accommodate the body’s movements while minimising the risk of dermal tearing.

In short, coconut oil might act against stretch marks thanks to its antioxidant, healing, anti-inflammatory and nourishing properties. But has its effectiveness been clinically proven?

A double-blind randomised clinical trial, conducted among 200 pregnant women in Indonesia, has recently provided interesting evidence regarding the effectiveness of coconut oil. Participants applied either coconut oil or a placebo twice a day to the abdomen, breasts and thighs, from the second trimester until six weeks after childbirth. The results are significant and support the use of coconut oil.

In addition to preventing the appearance of new marks, the study also showed that coconut oil reduced the severity of pre-existing stretch marks. Severity scores, based on criteria such as the colour, width and texture of the striae, were significantly lower in the women treated with coconut oil, both at 32 weeks of pregnancy and after childbirth. Another important detail: no adverse effects were reported, confirming that coconut oil is a safe and well-tolerated option during pregnancy.

Thus, although stretch marks depend on numerous physiological factors, the regular application of coconut oil could represent an effective natural strategy for reducing the risk of these skin marks appearing.

Note : While coconut oil appears to have a preventive role in the development of stretch marks, no clinical data suggest that it could reduce their appearance once they have formed.

• WOO B. & al. Consumer preference of products for the prevention and treatment of stretch marks: Systematic product search. Journal of Medical Internet Research (2020).

• UMAIRO G. & al. Perbandingan efektivitas virgin coconut oil dan minyak zaitun dalam mengurangi striae gravidarum di Puskesmas Pondok Gede Jaticempaka Kota Bekasi. Malahayati Nursing Journal (2024).

• RADHIA M. & al. The effect of topical virgin coconut oil on striae gravidarum prevention and severity: A randomized controlled trial. Eureka Herba Indonesia (2024).

• KAUR G. & al. Cosmeceutical applications of natural oils and fats. Specialized Plant Metabolites as Cosmeceuticals (2024).