How to Oil Your Hair: The Complete Guide
A guide to scalp oiling, shine treatments, & pre-wash nourishment.
Hair oiling is one of the oldest beauty practices in the world.
Across Mediterranean, Indian, and African traditions, oils have long been used to nourish the scalp, protect hair, and restore shine.
Today, hair oil is still one of the simplest ways to support healthy hair. When used correctly, it can help strengthen strands, smooth frizz, and bring life back to dry or dull hair.
Whether you're using oil as a scalp treatment, a pre-wash conditioner, or a daily finishing touch, learning how to oil your hair properly can make a noticeable difference in how it looks and feels.
Why Hair Oiling Works
Hair oils work by coating and nourishing the hair shaft while supporting the scalp environment where healthy hair grows.
When applied correctly, oil can help seal moisture into the hair, protect strands from breakage, and smooth the outer cuticle layer that gives hair its shine.
Benefits of hair oiling include:
• Strengthening fragile strands
• Nourishing and balancing the scalp
• Improving softness and shine
• Protecting dry or damaged ends
• Reducing frizz and flyaways
The key is learning how and when to apply oil depending on your hair’s needs.
4 Ways to Oil Your Hair
Find the most frequently asked questions below.
How Much Product to Use
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For Scalp Treatments
Working in small sections, use the dropper to apply small amounts along the scalp. Focus on evenly distributing the oil rather than saturating the hair.
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For Ends & Dry Hair
Use 2–4 drops depending on hair thickness. Warm the oil between your hands and apply to mid-lengths and ends.
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For Styling & Shine
Use 1–2 drops and lightly smooth over finished hair to reduce frizz and add shine.
Always start with less oil and build if needed.
How Often to Oil Your Hair
How often you oil your hair depends on your hair type and the method you're using.
Scalp treatments: 1–3 times per week
Pre-wash treatments: once a week or as needed
Ends or styling: small amounts can be used daily
If your hair is very fine, you may prefer lighter applications. Thicker or curlier hair types may benefit from more frequent treatments.
Who Should Use Hair Oil?
Hair oil works well for many different hair types and concerns.
You may benefit from hair oil if you have:
• Dry hair that needs extra moisture
• Frizzy hair that needs smoothing and shine
• Curly or textured hair that benefits from nourishment
• Damaged hair from heat styling or color treatments
• Color-treated hair that needs extra protection
Even people with fine hair can use oil when applied in small amounts to the ends.
Common Mistakes When Using Hair Oil
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Using too much product
A few drops is often enough. Applying too much oil can weigh hair down and make it difficult to wash out. -
Applying only to the scalp
Hair oil can also benefit the mid-lengths and ends of your hair, especially if your hair tends to be dry or frizzy. -
Using the wrong oil for your hair type
Heavy oil treatments are best used before washing, while lighter applications work better for styling and finishing. -
Applying oil to soaking wet hair
Water and oil don't mix. Apply oil to dry or slightly damp hair, not soaking wet, so it can actually absorb into the strand.
Shop the Oil Used in This Guide
A versatile hair oil can be used for all of the methods above — from scalp treatments to daily shine.
ioli Rosemary Scalp & Hair Oil was designed to nourish the scalp, smooth frizz, and restore softness without weighing hair down.
Use it as a scalp treatment, pre-wash conditioner, or finishing oil depending on your routine.
Hair oiling is a simple practice that can make a big difference in the health and appearance of your hair. Whether you use it weekly as a treatment or daily as a finishing touch, a small amount of oil can help bring softness, shine, and balance back to your hair.
Hair Oiling FAQ
Find the most frequently asked questions below.