How Often Should You Wash Your Hair? A Scalp-First Guide

There is no single shampoo schedule that suits every head of hair. Dermatologists advise washing according to how quickly your scalp becomes oily or dirty, while taking your hair texture into account. A routine should leave your scalp clean without rough scrubbing or unnecessary tugging.

Start with your scalp and hair texture

If your scalp gets oily quickly, or you use styling products that build up, you may prefer more frequent washing. Dry, thick, curly or tightly textured hair may need washing less often to help keep the lengths manageable. These are starting points, not strict rules: adjust based on comfort, activity and how your hair responds.

The American Academy of Dermatology explains that people with straight hair and an oily scalp may shampoo more often, while dry or textured hair can be washed as needed. There is no universal number of washes per week that everyone must follow.

If you use dry shampoo between washes, remember that it usually absorbs oil rather than replacing a proper cleanse. See Does Dry Shampoo Actually Clean Your Hair?

Wash the scalp gently

• Wet your hair thoroughly, then apply shampoo mainly to the scalp and roots.
• Use your fingertips to work it in gently; avoid scratching with your nails or rubbing the lengths vigorously.
• Rinse thoroughly. The rinse will carry cleanser through the lengths.
• Use conditioner after washing, focusing it where your hair needs it. The right placement can vary with texture and how dry the lengths feel.

When detangling after a wash, use a method that suits your hair texture and avoid pulling through knots. See our guide to gentler detangling.

Notice how your routine feels

If your scalp feels uncomfortable, or your hair feels unusually dry after washing, try adjusting the frequency or handling more gently. If itching appears after washing, see our guide to common causes of an itchy scalp after shampooing. Persistent itching, soreness, irritation or hair loss is not something a cosmetic shampoo can diagnose or treat; speak with your GP if you are concerned. NHS guidance notes that hair loss can have different causes and recommends contacting a GP when it worries you.

Where Grow+ Shampoo fits

SARQI Grow+ Sulfate-Free Shampoo, 250 ml, is a rinse-off shampoo for cleansing hair and scalp. The product listing describes it as sulfate-free. Follow the directions and ingredient information on the current packaging, and choose it only if it suits your hair and scalp. It is a cosmetic cleanser, not a treatment for hair loss, and no hair-growth result is promised.

In short

Let your scalp’s oiliness, your hair texture and your own comfort guide how often you wash. Cleanse gently, rinse well, and adjust your routine rather than following a one-size-fits-all timetable.

Sources: American Academy of Dermatology: Tips for healthy hair; NHS: Hair loss.