To apply hair oil to your scalp with a root comb applicator bottle, fill the bottle with a small amount of oil, part your hair, rest the comb teeth on the scalp at the hairline, and squeeze gently as you draw the comb back along the parting. The teeth lift the hair out of the way and release the oil directly onto the scalp in thin lines. Repeat with new partings every two to three centimeters, then massage it in with your fingertips.
Why use an applicator bottle at all?
| Method | Where the oil goes | Control over amount |
|---|---|---|
| Pouring into your palms | Mostly onto the hair and your hands | Low. Easy to use too much |
| Dropper | On the scalp, drop by drop | Good, but slow, and you part with the other hand |
| Root comb applicator bottle | Along the scalp in even lines | Good. The comb parts the hair as it applies |
The practical benefits are less waste, cleaner hands, and oil on the scalp instead of sitting on top of your hair.
What do you need?
- A root comb applicator bottle
- Your hair oil
- A comb and a few sectioning clips
- An old towel for your shoulders
- A small funnel, optional, for filling
Before you start
- Patch test a new oil. Put a little on your inner forearm and wait 24 hours. Do not use it on your scalp if your skin reacts.
- Dilute essential oils. Rosemary, peppermint and similar oils must be mixed into a carrier oil such as jojoba or coconut, never applied neat. Follow the directions on the product.
- Detangle your hair, so the comb tip glides.
- Decide how much. For most people, one to two teaspoons covers the whole scalp.
How to apply, step by step
- Fill the bottle with only the amount you plan to use. Screw the comb top on firmly.
- Warm it if you like. Stand the closed bottle in a cup of warm water for a few minutes. Test the oil on your wrist before it goes near your scalp. It should feel comfortably warm, never hot.
- Section your hair into four quarters and clip them.
- Start at the front. Rest the comb teeth on your scalp at the hairline.
- Squeeze lightly and draw back toward the crown in one slow stroke. A thin line of oil is enough.
- Move over two to three centimeters and repeat. Work across one quarter, then the next.
- Tilt your head forward to reach the back, drawing the comb from the nape up toward the crown.
- Massage with the pads of your fingers for two to three minutes, using small circles.
- Leave it on for the time your oil's instructions suggest. Thirty minutes to a couple of hours is common before washing.
- Wash out. Apply shampoo to dry or barely damp hair first, work it in, then add water. Shampoo twice if needed.
How much oil is too much?
If oil is running down your forehead or neck, or it takes three washes to remove, it is too much. The scalp only needs a light, even coat. More oil does not do more. It just makes washing harder and can leave hair limp.
An applicator made for the job
The Uexim root comb applicator bottle is a refillable bottle with a comb tip for applying hair dye, oil treatments and shampoo evenly to the scalp and roots. It is made of plastic, measures 4.5 x 17 cm (approximately 1.8 x 6.7 inches), and comes in pink, white or purple.
What else can you use it for?
- Root touch-up color. The comb tip places dye along the parting. Use a separate bottle for dye and follow the dye's instructions, including the allergy test.
- Diluted shampoo. Useful for getting cleanser to the scalp under braids or thick hair.
- Scalp treatments and tonics that are thin enough to flow through the teeth.
How do you clean the bottle?
- Empty any leftover oil. Do not store oil in the applicator for long periods.
- Fill it a third full with hot tap water and a few drops of washing-up liquid.
- Close it, shake well, and squeeze the soapy water out through the comb teeth.
- Repeat with clean water until no suds or oil film remain.
- Unscrew the top and let both parts air dry completely.
If a tooth is blocked, clear it with a pin or toothpick.
Common mistakes
- Squeezing too hard. The oil floods one spot. Use steady, light pressure.
- Dragging the teeth. Rest them on the scalp. Do not scratch.
- Skipping the back and sides. Section so that every area gets a pass.
- Applying to a scalp with heavy product build-up. Oil sits on top of it. Apply to a reasonably clean scalp.
- Using the same bottle for dye and oil. Keep them separate.
Who should take extra care?
If you have a scalp condition, broken skin, or a scalp that is easily irritated, speak to a pharmacist or doctor before using oils. If an oil causes itching, redness or flaking, wash it out and stop using it.
Frequently asked questions
Should I apply oil to wet or dry hair?
Dry or slightly damp hair is easiest for scalp oiling, since you can see the partings clearly.
How often should I oil my scalp?
Once or twice a week suits many people. Oily scalps may prefer less often, or not at all.
Can I leave oil on overnight?
Some people do. Protect your pillow, and wash it out in the morning. If your scalp gets itchy or greasy, shorten the time.
Is thick oil a problem for the applicator?
Very thick oils, such as castor oil, flow slowly. Warm the bottle, or mix the oil with a thinner carrier oil.
The bottom line
Part, rest the comb on the scalp, squeeze lightly and draw back. Thin lines every few centimeters, a short massage, and a thorough wash afterward are all it takes.
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