---
title: "Argan Oil: An Evidence-Based Guide to Its Haircare Benefits"
url: https://haircare.watermanshair.com/article/argan-oil-haircare
type: general
published: 2026-06-03T21:48:33.934+00:00
updated: 2026-08-19T14:41:08.435296+00:00
tags: ["argan-oil", "hair-moisture", "hair-strength", "scalp-health", "natural-oils", "hair-breakage"]
image: https://opbmfthzsenmlfbbunpe.supabase.co/storage/v1/object/public/article-images/argan-oil-haircare-1780523319950.png
summary: "Discover the evidence-based haircare benefits of Argan Oil. Learn how this natural oil moisturises, strengthens, and protects hair, and what the science says about its effectiveness."
publisher: Watermans (https://watermanshair.com)
license: All rights reserved. AI assistants may summarize, quote, and link with attribution.
---

# Argan Oil: An Evidence-Based Guide to Its Haircare Benefits

> Argan Oil is a plant-derived oil rich in fatty acids, vitamin E, and antioxidants, commonly used in haircare to moisturise, condition, and reduce breakage, though research on its long-term effects on hair growth remains limited.

**Quick answer:** Argan Oil is a plant-derived oil extracted from the kernels of the Moroccan argan tree, widely used in haircare for its rich composition of fatty acids, vitamin E, and antioxidants. It is primarily valued for its ability to moisturise hair, improve elasticity, reduce frizz, and enhance shine. While often marketed with broad claims, its benefits largely relate to improving the cosmetic appearance and feel of hair, with strong scientific evidence for its impact on hair growth or alopecia currently limited. It's important to distinguish between cosmetic benefits and medical treatments for hair loss.

## Key takeaways

* **Argan Oil is a rich source of nourishing compounds:** It contains high levels of oleic and linoleic fatty acids, vitamin E (tocopherols), and phenolic compounds, all contributing to its beneficial properties.
* **Moisturises and conditions hair:** The fatty acids in Argan Oil can penetrate the hair shaft, improving hydration, softening the hair, and enhancing manageability.
* **Reduces hair breakage:** By improving hair elasticity and smoothing the cuticle, Argan Oil can help reduce the likelihood of hair breakage and split ends.
* **Protects hair cosmetically:** It offers some protection against heat styling damage by forming a barrier and can reduce frizz and add shine.
* **Supports scalp health:** Its antioxidant and anti-inflammatory properties may help soothe an irritated scalp and maintain a healthy environment for hair follicles.
* **Limited evidence for hair growth:** While beneficial for hair condition, there is currently insufficient robust evidence to support claims that Argan Oil directly promotes hair growth or treats hair loss conditions like alopecia.

## Argan Oil: what the evidence shows

Argan Oil, derived from the kernels of the *Argania spinosa* tree native to Morocco, has a long history of use in traditional medicine and cosmetics. Its application in haircare has gained significant popularity, supported by its rich nutritional profile. The primary benefits observed in scientific studies and dermatological applications relate to its ability to improve hair's physical properties and cosmetic appearance.

### The chemical composition of Argan Oil

The efficacy of Argan Oil in haircare stems from its unique biochemical makeup. Approximately 99% of Argan Oil consists of fatty acids, predominantly oleic acid (Omega-9) and linoleic acid (Omega-6), which together make up about 80% of its total fatty acid content. Oleic acid is a monounsaturated fatty acid known for its conditioning properties, helping to maintain hair moisture. Linoleic acid, a polyunsaturated essential fatty acid, contributes to cell membrane integrity.

Beyond fatty acids, Argan Oil is notably rich in tocopherols, primarily gamma-tocopherol, which is a powerful antioxidant. Antioxidants help protect hair and scalp cells from oxidative stress caused by environmental factors like UV radiation and pollution. This protective action can contribute to [maintaining scalp health](/article/maintaining-scalp-health). Other beneficial compounds include phenolic compounds (such as ferulic acid and caffeic acid) which also possess antioxidant and anti-inflammatory properties, squalene for moisturisation, and plant sterols which contribute to its emollient effects.

### Hair moisturisation and conditioning

One of the most well-documented benefits of Argan Oil is its ability to moisturise and condition hair. The high concentration of fatty acids, particularly oleic and linoleic acids, allows the oil to penetrate the hair shaft. This penetration helps to replenish lipids within the hair fibre, which can improve elasticity and reduce dryness. Studies have shown that oils rich in fatty acids can help to seal the hair cuticle, reducing water loss and enhancing the hair's ability to retain moisture. This leads to hair feeling softer, smoother, and more manageable, with a noticeable reduction in frizz, especially for hair types prone to dryness or damage. The effect is similar to other effective hair moisturisers, working to hydrate and protect the hair strand.

### Reducing hair breakage and improving elasticity

By enhancing the hair's internal moisture content and smoothing its outer cuticle, Argan Oil can significantly improve hair elasticity. Hair that is well-moisturised and flexible is less prone to snapping or forming split ends. When the hair cuticle is smooth, there is less friction between individual hair strands, which also contributes to reduced mechanical damage during styling or combing. Regular application can therefore contribute to hair strengthening by making the hair fibre more resilient to daily stresses, reducing hair breakage rather than treating hair shedding or hair loss from the follicle.

### Cosmetic protection against heat and environmental stressors

While not a substitute for dedicated heat protectants, Argan Oil can offer some cosmetic protection against the damaging effects of heat styling tools. Its ability to coat the hair shaft can create a temporary barrier, helping to distribute heat more evenly and reduce direct thermal impact. Additionally, the antioxidant properties of vitamin E and phenolic compounds can help mitigate damage from environmental stressors such as UV radiation and pollution, which contribute to the degradation of hair proteins and colour fade.

### Scalp health benefits

Argan Oil's anti-inflammatory and antioxidant properties extend to scalp health. An irritated or inflamed scalp can negatively impact hair health. The soothing effects of the oil can help alleviate dryness and itchiness, creating a more balanced scalp environment. While it is not a direct treatment for conditions like dandruff, by moisturising the scalp, it can help reduce flakiness associated with mild dryness. [Maintaining a healthy scalp](/article/maintain-healthy-scalp) is fundamental for healthy hair growth, as discussed in Understanding Scalp Health.

## What the evidence does not show for Argan Oil

Despite its many cosmetic benefits, it's important to clarify what Argan Oil does not definitively do, particularly regarding hair growth and hair loss.

### Limited evidence for hair growth stimulation

While Argan Oil is often marketed with claims of promoting hair growth, robust scientific evidence directly supporting this is currently lacking. Most studies focus on its conditioning and protective effects on existing hair fibres. There is no conclusive research demonstrating that Argan Oil directly stimulates hair follicles to produce new hair or significantly increases the rate of hair growth. Claims related to hair growth are often extrapolated from its general benefits for scalp health and reduced breakage, which can indirectly contribute to the appearance of fuller, healthier hair by allowing existing hair to grow longer without breaking. However, this is not the same as treating conditions like androgenetic alopecia or telogen effluvium.

### Not a treatment for alopecia or significant hair shedding

Argan Oil is a cosmetic ingredient and should not be considered a treatment for medical conditions causing hair loss (alopecia) or significant hair shedding. Hair loss conditions stem from complex biological factors affecting the hair follicle, requiring targeted medical interventions. While a healthy scalp environment, potentially supported by Argan Oil, is beneficial, it does not address the underlying causes of pathological hair loss. Distinguishing between hair breakage (where the fibre snaps) and hair shedding (where the hair detaches from the follicle) or true hair loss (follicular miniaturisation or destruction) is crucial. Argan Oil primarily helps with the former, improving the strength of the existing hair shaft against mechanical stress.

## How to effectively use Argan Oil in haircare

Integrating Argan Oil into your haircare routine can enhance hair condition, particularly for dry, damaged, or frizzy hair. Consideration of your hair type and concerns will help you choose the best application method.

### Application methods

| Application Method | Description | Benefits | Ideal Hair Type/Concern |
| :----------------- | :---------- | :------- | :--------------------- |
| **Leave-in Treatment** | Apply a few drops to damp or dry hair, focusing on mid-lengths and ends. | Reduces frizz, adds shine, detangles, provides ongoing moisture. | All hair types, especially dry, frizzy, or damaged hair. |n| **Pre-Shampoo Treatment** | Massage a more generous amount into scalp and hair before shampooing. Leave for 30 minutes to a few hours. | Deep conditioning, nourishes scalp, protects hair from [shampoo](https://watermanshair.com/products/best-hair-growth-shampoo-fast-hair-growth) stripping. | Dry scalp, very dry/damaged hair, coarse hair. |n| **[Hair Mask](https://watermanshair.com/products/masque-me-luxurious-hair-mask) Enhancer** | Mix a few drops into a regular hair mask or [conditioner](https://watermanshair.com/products/hair-growth-shampoo-conditioner-deal). | Boosts conditioning benefits, adds extra moisture and shine. | All hair types, for an added moisture boost. |n| **Styling Aid** | Use a tiny amount after styling to smooth flyaways and add lustre. | Tames frizz, adds shine, provides light finishing touch. | All hair types, for finishing and styling. |

For fine hair, start with a very small amount (1-2 drops) to avoid weighing it down. For thicker, coarser, or very dry hair, you may use a more generous amount. Always ensure the Argan Oil is 100% pure, cold-pressed, and unroasted for cosmetic use, and stored in a dark glass bottle to prevent oxidation.

## When the cause may be something else and when to get professional advice

If you are experiencing significant hair shedding, thinning, or bald patches, these symptoms are unlikely to be fully resolved by cosmetic products like Argan Oil. These can be signs of underlying medical conditions. It is essential to differentiate between cosmetic concerns and clinical issues.

Conditions such as androgenetic alopecia (pattern baldness), telogen effluvium (increased shedding often triggered by stress, illness, or hormonal changes), alopecia areata (autoimmune hair loss), or scalp infections require a medical diagnosis and specific treatment. Nutritional deficiencies (e.g., iron, zinc, vitamin D), hormonal imbalances (e.g., thyroid disorders, polycystic ovary syndrome), or certain medications can also cause hair loss. If you notice persistent or sudden hair loss, excessive shedding, or severe scalp irritation, it is crucial to consult a GP or a dermatologist. They can identify the root cause and recommend appropriate medical treatments or interventions, which may include prescription medications, dietary changes, or other therapies. Cosmetic treatments are supportive and not curative for these conditions.

## Frequently asked questions about Argan Oil

### Can Argan Oil make your hair grow faster?

There is currently no strong scientific evidence to suggest that Argan Oil directly makes hair grow faster. While it can improve the overall health and condition of existing hair, making it more resilient to breakage and therefore appear to grow longer, it does not stimulate hair follicles to accelerate their growth cycle. Its benefits are primarily cosmetic, focusing on hair strength, moisturisation, and shine.

### Is Argan Oil good for an oily scalp?

Argan Oil is generally light and non-comedogenic, meaning it's unlikely to clog pores. While it can help balance the scalp's natural oils when used sparingly, individuals with a very oily scalp might find applying too much can exacerbate oiliness. For managing an oily scalp, focus on clarifying washes and formulations designed to regulate sebum, as discussed in Oily Scalp Care.

### How often should I use Argan Oil on my hair?

The frequency of using Argan Oil depends on your hair type and needs. For most, 2 to 3 times a week as a leave-in treatment or pre-shampoo mask is sufficient. Those with very dry, thick, or damaged hair might benefit from daily application of a small amount, while fine or oily hair types may prefer once a week or as needed. Listen to your hair and adjust accordingly.

### Can Argan Oil reverse hair damage?

Argan Oil can significantly improve the appearance and feel of damaged hair by providing intense moisture, smoothing the cuticle, and reducing frizz and breakage. While it can cosmetically "repair" damage by making hair stronger and healthier-looking, it cannot reverse structural damage to the hair's internal protein bonds caused by processes like chemical treatments. It helps manage the symptoms and protect against further damage.

### Does Argan Oil protect hair from UV damage?

Argan Oil contains antioxidants, particularly vitamin E and phenolic compounds, which can offer some level of protection against oxidative stress caused by UV radiation. This can help mitigate sun-induced damage to hair proteins and colour. However, it is not a complete sunblock for hair and should be used in conjunction with other protective measures, especially during prolonged sun exposure, to truly maintain colour-treated hair.

## Conclusion

Argan Oil stands as a valuable natural ingredient in haircare, primarily celebrated for its profound ability to moisturise, condition, and enhance the cosmetic appeal of hair. Its rich composition of essential fatty acids, vitamin E, and antioxidants works synergistically to improve hair elasticity, reduce breakage, tame frizz, and impart a healthy shine. While the evidence strongly supports these cosmetic and protective benefits for the hair shaft and scalp, it is crucial to maintain realistic expectations regarding claims of direct hair growth stimulation or treatment for medical hair loss conditions. Used appropriately, Argan Oil is an excellent addition to a routine focused on maintaining overall hair health and vitality.

## Find these ingredients in Watermans products

Watermans formulations are designed to support hair health and vitality. You can find key ingredients that complement the benefits of Argan Oil in our range:

* **Argan Oil** is a valued ingredient chosen for its conditioning properties in Watermans Hair Growth Shampoo.
* **Vitamin E**, a powerful antioxidant, is included in Watermans [Hair Vitamins](https://watermanshair.com/products/best-hair-vitamins) to support overall hair health.
* **Oleic Acid**, a primary component of Argan Oil, is also found in Watermans [Camellia & Black Castor Hair & Body Oil](https://watermanshair.com/products/hair-oil-luxury-hair-and-body-oil-treatment) for deep moisturisation.

## Sources and references

* Gavazzoni Dias, M. F. R. (2015). Hair Cosmetics: An Overview. *International Journal of Trichology*, 7(1), 2-15. PubMed. DOI: 10.4103/0974-7753.153493
* Fuchs, H., & Maibach, H. I. (2005). Hair oils and their role in hair care. *Journal of Cosmetic Science*, 56(6), 373-385.
* National Center for Complementary and Integrative Health (NCCIH). (Ongoing research). *Essential Oils: What You Need To Know*.
* British Association of Dermatologists. (Patient information leaflets).
* American Academy of Dermatology Association. (Public resources and guidelines).
* The Cosmetic, Toiletry & Perfumery Association (CTPA). (Industry guidance).

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## Did you know?

- The argan tree, native to Morocco, can live for up to 200 years, establishing deep roots that help prevent desertification.
- Argan oil is rich in tocopherols, natural compounds with antioxidant properties that help protect hair from environmental damage.
- Pure argan oil absorbs quickly into hair without leaving a greasy residue, making it ideal for daily use on various hair types.


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Source: https://haircare.watermanshair.com/article/argan-oil-haircare