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How Often Should Hair Really Be Washed? Dermatologists Reveal the Ideal Routine

Not every two days, not every four—the ideal washing frequency depends entirely on the person. According to dermatologists, most people benefit from washing their hair three to five times per week, but this varies based on scalp characteristics and lifestyle.

Experts emphasize that scalp hygiene plays a crucial role in maintaining healthy-looking hair. Regular cleansing prevents product buildup, eliminates odors, and prepares strands for treatments or styling.

Dermatologist Alex Docampo clarifies a common misconception: washing hair often does not increase oiliness.
“Many people think frequent washing is harmful or that it stimulates more sebum production, but that is completely false,” he states.
Instead, he highlights that hair care should be tailored to scalp needs, not based on myths or generalized routines.

Why Three to Five Washes Per Week Makes Sense

This washing frequency helps:

✔️ Remove excess sebum and styling residues
✔️ Improve oxygenation around hair follicles
✔️ Reduce irritation risks
✔️ Control odor and prevent the growth of fungi and bacteria

However, the exact rhythm must adapt to each person’s environment and habits. Individuals who sweat heavily, exercise frequently, or live in humid climates may require more frequent washing than those with dry environments or sedentary routines.

The Hair Surgical Institute supports this personalized approach, noting that washing frequency depends on:

  • Hair type

  • Daily activities

  • Scalp condition

  • Amount of hair products used

  • Hairstyles worn

For this reason, there is no universal rule—only guidelines that need fine-tuning based on lifestyle.

What Happens When Someone Washes Too Infrequently?

Prolonging the time between washes too much can backfire. Dermatologists warn that sebum buildup, itching, inflammation, and flaking may appear.

Dr. María Marcos explains that this irritation is common, particularly among people with oily scalps or those under stress. In more pronounced cases, inflammation around the follicle can even trigger temporary hair shedding.

Tips Experts Recommend for Healthier Hair

To support scalp balance, specialists suggest:

  • Using balancing or sulfate-free shampoos on sensitive scalps

  • Applying conditioner only on the mid-lengths and ends

  • Incorporating a weekly mask for nourishment

Among recommended products are:

  • Apivita Royal Jelly Elixir for shine and density

  • Farma Dorsch Root Cover for concealing roots and gray hairs

Small Daily Habits That Make a Big Difference

Dermatologists agree that healthy hair is often the result of simple, consistent practices, such as:

✨ Avoiding very hot water
✨ Massaging shampoo with fingertips, not nails
✨ Rinsing thoroughly
✨ Not sleeping with wet hair

These habits minimize damage and help maintain scalp health.

A Balanced Takeaway

If someone seeks a straightforward guideline, experts suggest sticking to three to five washes per week for most hair types.

Ultimately, the key lies in listening to the scalp, observing changes, and adjusting care routines accordingly. Regular washing—done correctly—supports healthier, fresher-looking hair and prevents common irritations.

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