Hair smoothening has become one of the most popular salon treatments for achieving silky, straight, and manageable hair. Whether you’re tired of battling frizz, dealing with unruly curls, or simply looking for a sleek, polished look, smoothening offers a semi-permanent solution. However, like any chemical treatment, it’s essential to understand what it entails before taking the plunge.

In this article, we’ll break down everything you need to know about hair smoothening—from the benefits and detailed process to aftercare and potential risks—so you can make an informed decision and enjoy beautiful, healthy hair.

What is Hair Smoothening?

Hair smoothening, also known as hair straightening or texture softening, is a chemical treatment designed to tame frizz, reduce volume, and straighten hair to a certain extent. Unlike hair straightening methods like rebonding or keratin treatment, smoothening offers a more natural look and is less intense on the hair structure.

The treatment typically uses a formaldehyde-based or formaldehyde-free solution that alters the structure of the hair, followed by flat ironing to lock in the straightened look. The result is smoother, shinier, and more manageable hair that lasts for several months.

Benefits of Hair Smoothening

Smoothening isn’t just about straight hair; it brings a range of other benefits that contribute to the overall look and health of your hair—if done correctly.

1. Frizz Control

One of the most significant benefits of hair smoothening is the elimination of frizz. The treatment seals the hair cuticle, preventing moisture from entering and causing puffiness or rough texture.

2. Manageability

Tangled, knotty hair becomes a thing of the past. Smoothened hair is easier to comb, style, and maintain, saving time on your daily hair routine.

3. Natural Finish

Unlike rebonding, which makes hair stick-straight and sometimes unnatural-looking, smoothening gives a soft, natural straightness that retains some bounce and volume.

4. Long-Lasting Results

While not permanent, hair smoothening can last anywhere between 2 to 6 months, depending on hair type, maintenance, and the products used.

5. Shine and Softness

The treatment often results in glossy, soft hair due to the sealing of cuticles and removal of surface irregularities.

Types of Hair Smoothening Treatments

There are several types of smoothening treatments available in salons. Each has its own formulation, longevity, and effect on hair.

1. Keratin Treatment

Keratin is a protein naturally found in hair. Keratin treatments add a protective layer around the hair shaft, reducing frizz and enhancing shine. This method is often considered healthier because it infuses the hair with proteins.

2. Cysteine Treatment

A more natural alternative to keratin, cysteine treatments use amino acids and are free from formaldehyde. While results may not be as dramatic, it’s a safer option for chemically sensitive individuals.

3. Brazilian Blowout

This is a brand-specific keratin treatment known for smoothing hair while allowing some wave or curl to remain. It’s fast-acting and customizable based on desired results.

4. Japanese Hair Straightening (Thermal Reconditioning)

Although not a traditional smoothening method, Japanese straightening permanently straightens hair using chemicals and heat. It’s more suitable for people looking for pin-straight results.

Who Should Consider Hair Smoothening?

Hair smoothening is suitable for many hair types but is especially effective for:

• Wavy or curly hair that’s difficult to manage
• Hair prone to frizz, especially in humid climates
• People looking for a semi-permanent solution without damaging their natural texture
• Those with mild to moderately damaged hair (heavily damaged hair may not be suitable)

However, if your hair is extremely fragile, over-processed, or chemically treated, consult a professional before opting for smoothening.

The Hair Smoothening Process: Step-by-Step

Knowing what to expect during the procedure can help you feel more comfortable and informed.

Step 1: Hair Analysis

A stylist will first assess your hair’s condition, texture, and treatment history to choose the appropriate smoothening product.

Step 2: Hair Wash

Your hair is shampooed thoroughly to remove dirt, oil, and product buildup. No conditioner is used, as it could interfere with the chemicals.

Step 3: Application of Smoothening Cream

A smoothening cream (chemical relaxer) is applied section-by-section. This cream breaks down the hair’s natural bonds, allowing it to be reshaped.

Step 4: Processing Time

The cream is left on the hair for 20-30 minutes, depending on your hair type. Heat may be applied during this time to help the chemicals penetrate.

Step 5: Rinse and Blow-Dry

The product is rinsed out, and hair is blow-dried completely to prepare for flat ironing.

Step 6: Flat Ironing

Using a high-quality ceramic flat iron, your stylist will straighten your hair meticulously. This step locks in the straightened shape.

Step 7: Neutralizer Application

A neutralizer is applied to fix the new structure of the hair. This re-bonds the hair into its new, straight shape.

Step 8: Final Wash and Styling

After the neutralizer is rinsed, hair is washed again (some salons skip this wash depending on the treatment) and styled as desired.

Hair Smoothening Cost in India: What to Expect

The cost of hair smoothening in India can vary widely depending on the salon’s location, brand reputation, stylist experience, the specific type of treatment used, and your hair’s length and condition.

Average Price Range in India

Pricing by City (Estimated Ranges)

Factors Affecting the Cost

Type of Smoothening Treatment:

• Keratin Treatment: ₹6,000 – ₹15,000 depending on hair length and brand.
• Cysteine Treatment: ₹7,000 – ₹14,000 (usually more expensive due to its gentler formula).
• Traditional Smoothening: ₹3,000 – ₹9,000, depending on the salon and hair length.

Hair Length and Volume:
Longer or thicker hair requires more product and time, which increases the price.

Aftercare Packages:
Some salons offer packages including post-treatment shampoo, conditioner, and a follow-up appointment, which may cost more but are often worth the value.

Hair Smoothening Aftercare: What to Do and Avoid

How well your hair smoothening treatment holds up depends significantly on how you care for your hair afterward.

1. Don’t Wash Hair for 48–72 Hours

Avoid washing or tying your hair for the first 2–3 days post-treatment. This helps the hair fully set in its new shape.

2. Use Sulfate-Free Products

Sulfates can strip the hair of natural oils and reduce the treatment’s longevity. Opt for mild, sulfate-free shampoos and conditioners designed for treated hair.

3. Avoid Heat Styling

Since your hair is already treated with heat, avoid additional heat tools like curling irons or blow dryers unless absolutely necessary.

4. Protect Hair from Chlorine and Saltwater

Chlorine from pools and salt from seawater can damage chemically treated hair. Wear a swim cap or avoid swimming frequently.

5. Deep Conditioning is Key

Use hydrating masks and leave-in conditioners weekly to maintain moisture and elasticity.

6. Regular Trims

Trimming every 6–8 weeks prevents split ends and maintains the hair’s health and appearance.

Potential Side Effects and Precautions

Like any chemical process, hair smoothening carries some risks, especially if not done properly or maintained well.

1. Hair Damage

Over-processing can lead to dry, brittle hair or breakage. Ensure that the salon uses quality products and experienced professionals.

2. Scalp Sensitivity

Some people may experience itching, burning, or sensitivity from the chemicals used.

3. Hair Fall

Temporary hair fall may occur due to the weakening of roots from heat and chemicals.

4. Not Safe During Pregnancy

It’s generally advised to avoid chemical treatments like smoothening during pregnancy due to possible exposure to formaldehyde.

Hair Smoothening vs. Other Treatments

Understanding how smoothening compares to other treatments can help you choose the best option for your hair needs.

Final Thoughts

Hair smoothening is an excellent choice for anyone looking to transform their hair into a smooth, shiny, and manageable mane. With the right treatment and proper aftercare, you can enjoy months of frizz-free, beautiful hair.

However, it’s crucial to weigh the pros and cons, understand your hair type, and consult a trusted stylist before undergoing the process. Remember, healthy hair always begins with informed choices and consistent care.