The ROYAL&BIO Journal

Scalp-First Hair Care: What Argan and Castor Oils Can—and Cannot—Do

By ROYAL&BIO Editorial Team

Scalp care is part of the wider move toward thoughtful beauty routines in 2026. Before adding another oil, start with a useful distinction: a cosmetic oil may help hair feel smoother or look shinier, but that is different from treating hair loss. A good ritual begins with realistic expectations.

Argan oil or castor oil?

Moroccan argan oil offers a lighter-feeling option for a finishing step on dry-looking lengths and ends. Castor oil has a thicker texture, so a little can go a long way. Choose by the feel and finish you prefer rather than assuming a heavier texture produces faster growth.

A simple conditioning ritual

1. Start small. Try one or two drops on your palms and smooth over the mid-lengths and ends. Keep the first application light.
2. Observe the finish. Fine hair may need very little; coarse or dry-looking ends may suit a slightly richer application.
3. Wash as needed. Keep your regular shampoo and conditioner routine. Oils do not replace cleansing.
4. Adjust one thing at a time. If the hair feels coated or heavy, reduce the amount or skip the oil.

Does scalp-first mean putting oil on the scalp?

Not necessarily. Scalp-first care can mean gentle cleansing, comfortable hairstyles, and paying attention to itching or buildup. If you choose a scalp application, follow the product instructions, use a small amount, and stop if irritation develops. Do not apply oils to broken or inflamed skin, and avoid heated oil treatments.

What about hair-growth claims?

Do not expect argan or castor oil to reverse hair loss or guarantee new growth. A review of hair oils found no strong evidence supporting castor oil for hair growth. Cosmetic softness and shine should not be presented as proof of follicle changes.

Sudden shedding, thinning patches, persistent itching, or scalp pain deserve professional assessment. Different causes require different approaches, and repeatedly changing cosmetic oils can delay useful advice.

A few practical habits

• Keep applicators clean and close the bottle after use.
• Avoid oil near the eyes; hair oils are not eye treatments.
• Introduce new products carefully and stop if your skin reacts.
• Use gentle handling and avoid hairstyles that pull tightly.

For a considered Moroccan hair-care finishing step, explore our pure oils collection. Let your hair's texture and your scalp's comfort guide the ritual.

Further reading: American Academy of Dermatology: hair-loss care tips; review of coconut, castor and argan oils for hair. Cosmetic care is not a treatment for a diagnosed scalp condition.