Straight hair care has its own challenges. Straight hair reflects light well and can look very glossy, but oil from the scalp slides down the smooth strands quickly, so roots turn greasy and the hair falls flat. A good routine keeps the scalp clean, the ends conditioned and the products light.
How straight hair behaves
- It gets oily faster than wavy or curly hair, because nothing slows the oil down.
- It shows damage clearly. Split ends and breakage stand out against a smooth surface.
- It is easily weighed down, especially when strands are fine.
- It resists holding a curl without help from styling products.
Wash-day routine
- Shampoo the scalp. Massage with your fingertips and let the foam rinse through the lengths. Wash as often as your scalp needs. For many people with straight hair that is every one to two days. See How Often Should You Wash Your Hair?.
- Condition the ends only. Apply from the ears down and keep conditioner away from the roots.
- Rinse thoroughly. Leftover product makes straight hair limp.
- Blot dry with a soft towel. Rubbing roughens the cuticle.
Daily routine
- Detangle from the ends upwards with a wide-tooth comb or a soft brush.
- Apply a small amount of light leave-in product or heat protectant to the lengths if you style with heat.
- Keep your hands out of your hair. Touching moves oil from fingers and scalp to the lengths.
- At night, tie hair loosely with a soft scrunchie or leave it down.
Choosing products
| Need | Look for | Go easy on |
|---|---|---|
| Fresh roots | Gentle shampoo; clarifying shampoo every few weeks | Heavy oils near the scalp |
| Volume | Volumizing shampoo, mousse, root spray | Thick creams and butters |
| Smooth ends | Light conditioner, a drop of serum on the tips | Applying serum above mid-length |
| Shine | Regular trims, cool final rinse if you like it | Waxes that leave residue |
If your hair is both straight and fine, almost every product should be used in smaller amounts than the label suggests. Fine Hair vs Thin Hair: What's the Difference? explains the difference between fine and thin hair.
Adding volume without damage
- Apply mousse or root spray to damp roots.
- Rough-dry with your head tilted, lifting the roots with your fingers.
- Finish with a round brush on the top sections.
- Use the cool setting for the last few seconds to set the shape.
How to Blow-Dry Your Hair at Home gives a full guide to blow-drying at home.
Protecting straight hair from damage
- Use a heat protectant before blow-drying or straightening, and choose the lowest effective heat.
- Do not straighten or curl hair that is still damp unless the tool is designed for it.
- Avoid tight ponytails and buns in the same place every day.
- Trim the ends regularly to stop splits from traveling up the hair.
- Wear a hat in strong sun and rinse after swimming.
Weekly and monthly extras
- Weekly: a light conditioning mask on the ends if they feel dry.
- Every few weeks: a clarifying shampoo to remove build-up from styling products and hard water.
- Regularly: wash your brush and pillowcase.
Common mistakes
- Conditioning the roots.
- Brushing wet hair roughly from the top down.
- Using dry shampoo for several days running instead of washing.
- Layering several styling products.
For help choosing between mousse, gel, cream and spray, see Hair Styling Products: Mousse, Gel, Cream, and Spray. If you are unsure whether your hair is truly straight or slightly wavy, do the air-dry test in How to Find Your Hair Type.
Related on ArniSun
- How to Find Your Hair Type
- How Often Should You Wash Your Hair?
- Fine Hair vs Thin Hair: What's the Difference?
- How to Blow-Dry Your Hair at Home
- Hair Styling Products: Mousse, Gel, Cream, and Spray
Sources and further reading
Frequently asked questions
Why does my straight hair get greasy so fast?
Oil from the scalp moves easily along smooth, straight strands. Fine hair shows it sooner. Washing more often with a gentle shampoo is the simplest answer.
Should I use conditioner on straight hair?
Yes, on the lengths and ends. They are the oldest part of the hair and need protection. Keep it off the roots.
How can I make straight hair hold a curl?
Start with dry hair, use a light hold product, curl small sections, let each curl cool completely before touching it, and finish with a little hairspray.