Common Hair Washing Mistakes and How to Avoid Them

Washing your hair seems like one of the most straightforward parts of personal care. After all, you've been doing it since childhood—how complicated can it be? Yet many of us have picked up habits over the years that actually harm our hair. These mistakes can lead to dryness, breakage, excess oil, and a host of other problems that no amount of expensive products can fix.

The good news is that once you identify these common errors, correcting them is simple. Here are the most frequent hair washing mistakes and the right way to approach each step.

Mistake 1: Washing Too Often

Daily washing might seem like good hygiene, but for most hair types, it's counterproductive. Shampooing strips away your scalp's natural sebum—the oil that protects and conditions your hair and scalp. When you wash too frequently, your scalp compensates by producing even more oil, creating a cycle of greasiness that requires more washing.

The Fix

Most people do well washing every two to three days. Oily hair types might need every other day, while dry or curly hair can often extend to once a week. Use dry shampoo on non-wash days to absorb excess oil at the roots. Your scalp will gradually adjust its oil production once you stop stripping it daily.

đź’ˇ Transition Tip

If you're used to daily washing, transition gradually. Go from daily to every other day for a couple of weeks, then every third day. Your scalp needs time to recalibrate its oil production. Dry shampoo and updos are your friends during this adjustment period.

Mistake 2: Using Water That's Too Hot

A steaming hot shower feels wonderful, but your hair doesn't agree. Hot water opens the hair cuticle, stripping moisture and colour, and can irritate and dry out your scalp. It also stimulates sebaceous glands, potentially increasing oil production.

The Fix

Wash your hair with lukewarm water. If you enjoy hot showers, consider washing your hair at the sink with cooler water, or at least adjusting the temperature when you shampoo and condition. Finish with a cool water rinse—this closes the cuticle, sealing in moisture and adding shine.

Mistake 3: Shampooing the Wrong Areas

Many people pile shampoo onto all their hair, rubbing it from roots to ends. This applies unnecessary friction to the delicate lengths and can strip moisture from areas that aren't even dirty. Your lengths don't need direct shampooing—they're cleaned by the suds that rinse through.

The Fix

Focus shampoo application on your scalp, where oil, dead skin cells, and product buildup actually accumulate. Massage gently with your fingertips (never nails) in circular motions. The lather that runs down your lengths as you rinse is sufficient to clean them.

🔑 Correct Washing Technique Summary
  • Thoroughly wet hair with lukewarm water first
  • Apply shampoo to scalp only, not lengths
  • Massage with fingertips in circular motions
  • Rinse completely before applying conditioner
  • Condition mid-lengths to ends, avoiding roots
  • Finish with a cool water rinse

Mistake 4: Not Rinsing Thoroughly

Rushing through the rinse stage leaves product residue on your scalp and hair. This buildup can cause itching, flaking, dullness, and a heavy, greasy feeling. Over time, residue can clog hair follicles and affect hair health.

The Fix

Spend longer rinsing than you think you need—at least two to three minutes. Run your fingers through your hair to ensure all product is removed. You shouldn't feel any slipperiness after rinsing shampoo (conditioner will feel slightly different). If your hair feels weighed down or looks dull after drying, you may not be rinsing enough.

Mistake 5: Applying Conditioner to Your Roots

Conditioner is designed to moisturise and smooth the hair shaft—functions that your roots, coated in fresh sebum from the scalp, don't need. Applying conditioner to roots weighs hair down, creates greasiness, and can cause buildup that clogs follicles.

The Fix

Apply conditioner from mid-length to ends only, where hair is oldest and most in need of moisture. Clip your hair up if needed to keep conditioner off your scalp while it works. Leave it on for at least one to two minutes before rinsing.

Mistake 6: Rough Towel Drying

Vigorously rubbing your hair with a towel after washing is one of the most damaging habits. Wet hair is at its most fragile—the water has swelled the hair shaft and weakened its structure. Rubbing creates friction that leads to breakage, split ends, and frizz, especially for curly or fine hair.

The Fix

Gently squeeze excess water from your hair with the towel—don't rub. Better yet, use a microfibre towel or an old cotton t-shirt, which are softer and create less friction. For curly hair, scrunch gently upward to encourage curl formation. Let your hair air dry when possible.

⚠️ Wet Hair Warning

Never brush wet hair unless you're using a specifically designed wet brush or wide-tooth comb. Wet hair stretches up to 30% more than dry hair and is much more prone to snapping. If you must detangle, work gently from ends up to roots with a detangling product applied.

Mistake 7: Using the Wrong Amount of Product

Both too much and too little product cause problems. Over-shampooing strips hair unnecessarily, while under-shampooing leaves hair unclean. Too much conditioner creates buildup, while too little leaves hair dry and tangled.

The Fix

For shampoo, a dollop about the size of a 20-cent coin is usually sufficient for medium-length hair—adjust up or down based on your hair's length and thickness. For conditioner, start with a similar amount focused on the ends, adding more if needed. If you're finding your hair is still oily after washing or heavy after conditioning, you're likely using too much.

Mistake 8: Skipping the Pre-Wash Detangle

Jumping into the shower without detangling first creates a tangled, knotted mess that's much harder (and more damaging) to work through when wet. Tangles also prevent shampoo from distributing evenly over your scalp.

The Fix

Before getting in the shower, gently brush or comb through your hair to remove tangles. Start from the ends and work your way up to avoid pulling. This also helps remove loose hairs before they clog your drain.

Mistake 9: Not Adjusting for Seasons or Lifestyle

Using the same washing routine year-round ignores how your hair's needs change. In summer, you may need more frequent washing due to sweat and sunscreen. In winter, drier air means your hair needs less washing and more moisture. Active lifestyles with regular exercise may require different approaches than sedentary ones.

The Fix

Pay attention to how your hair feels and looks, and adjust accordingly. You might wash every other day in summer but only twice a week in winter. After heavy workouts, you can sometimes just rinse with water and use a bit of conditioner on ends, saving shampoo for every second gym session.

Mistake 10: Using Products That Don't Suit Your Hair

Even with perfect technique, the wrong products will hold you back. Using a volumising shampoo on dry, thick hair, or a heavy moisturising formula on fine, oily hair, creates problems no technique can solve.

The Fix

Identify your hair type and primary concerns, then choose products designed to address them. Don't be swayed by marketing—what works for your friend or favourite influencer may not work for you. Be willing to experiment and give new products four to six weeks before judging their effectiveness.

Hair washing might seem basic, but these small adjustments can make a substantial difference in your hair's health and appearance. Take the time to break bad habits and establish new ones—your hair will thank you with improved shine, strength, and manageability.

đź‘©

Sarah Mitchell

Founder & Lead Researcher

With 12 years of salon experience, Sarah has corrected countless hair washing techniques. She brings hands-on expertise to every recommendation at BestShampoo.com.au.