Can Frequent Perming and Coloring Contribute to Scalp Problems, Thinning Hair, and Hair Loss?

Perming and coloring allow you to create different styles by changing your hair’s shape and color, but repeated treatments can put stress on your scalp and hair.

Coloring and bleaching use chemicals to add pigment to the hair or remove its existing pigment, while perming changes the hair’s bond structure to create the desired shape.

If these treatments are repeated too frequently or the chemicals are left on for too long, the cuticle—the hair’s outer protective layer—can become damaged. Hair may lose its shine, feel rougher, and develop more split ends and breakage.

As more strands break, your hair may look thinner and less full, which can be mistaken for hair loss.

When treatment chemicals touch the scalp, they can cause stinging, burning, redness, itching, and swelling. People who are allergic to certain ingredients may develop contact dermatitis.

However, perming or coloring does not necessarily damage everyone’s hair follicles or cause hereditary hair loss.

If the hair around your crown and part continues to become finer, or thinning areas grow larger, other causes—including genetics, hormones, and inflammatory scalp conditions—should also be considered.

For safer care, allow time between treatments, follow the product instructions and processing times, and stop the treatment immediately if an adverse reaction occurs.

Make a habit of checking your scalp and hair condition before proceeding with a treatment.

1. How Perming and Coloring Damage Hair

Once hair grows beyond the skin’s surface, it cannot repair itself, so damage from repeated perming and coloring can accumulate.

Hair dyes and bleaching products open the outer layer of the hair to alter its pigment, while perming solutions change the hair’s bonds to set its shape.

If treatments are too intensive or too close together, the cuticle can lift and the hair can lose moisture, leaving it dry and rough.

Split ends and strands that break along their length may become more common. You may also notice increased tangling and static during brushing, along with reduced shine and elasticity.

Lightening your hair by more than three shades beyond its natural color may require more peroxide and increase the risk of damage.

This type of damage differs from hair shedding from the root. However, broken strands can reduce overall volume and make the hair appear thinner.

After treatment, use a gentle shampoo and apply conditioner or a conditioning treatment mainly to the hair after each wash to reduce friction.

Limit the use of flat irons, hot blow-drying, and forceful brushing. When spending long periods in the sun, protect your hair with a hat or similar covering.

2. Why Perming Solutions and Hair Dyes Can Cause Scalp Problems

Perming solutions or hair dyes may cause temporary stinging when they touch the scalp, but you should never continue a treatment while enduring intense burning or pain.

If you experience strong irritation during treatment, rinse the chemicals out thoroughly and immediately. If redness, swelling, or itching persists, see a dermatologist.

An allergy to certain dye ingredients, fragrances, or preservatives can cause contact dermatitis immediately after use or some time later.

Symptoms can include an itchy rash, swelling, dryness, cracking, blisters, oozing, and crusting.

A reaction can also occur with a product you have used before. Before coloring, carry out the skin allergy test described in the product instructions, following the specified method and timing.

If your scalp has wounds, inflammation, or pus-filled bumps, postpone perming and coloring until it has recovered.

After treatment, rinse thoroughly with lukewarm water to remove any remaining shampoo or chemicals. Avoid scratching with your fingernails or using harsh scrubs.

If you develop difficulty breathing or severe swelling of the face or around the eyes, seek emergency medical care immediately.

3. How to Distinguish Hair Damage from Hair Loss—and How to Care for Your Hair

Seeing more hair after perming or coloring does not necessarily mean that it is all shedding from the follicles.

If you notice more short strands of varying lengths, check whether they have broken due to damage. If more long strands with a root bulb attached are shedding than usual, telogen effluvium or other causes may need to be considered.

A progressively widening part, reduced density at the crown, or a receding hairline may be signs of hereditary male- or female-pattern hair loss.

Coin-shaped bald patches, scalp pain, oozing, thick crusts, or pus-filled bumps should be medically evaluated.

To reduce the risk of damage, avoid perming and coloring on the same day, and allow sufficient time between treatments for your scalp to recover and your hair’s condition to be reassessed.

Follow the recommended product amounts and processing times. If irritation occurs, rinse the product out immediately rather than enduring the discomfort.

Between treatments, reduce further damage through gentle cleansing, conditioning, low-temperature drying, and careful brushing.

If you suspect hair loss, photograph your part to track changes and see a dermatologist to identify the cause, rather than simply stopping treatments and waiting.

References: American Academy of Dermatology—Hair Care After Perming and Coloring; Causes of Hair Loss; Symptoms of Contact Dermatitis.

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