Hair Relaxing

What is Hair Relaxing?

Hair relaxing is a chemical treatment designed to permanently straighten naturally curly, coily, or kinky hair. The process works by chemically altering the disulfide bonds within the hair's protein structure, which are responsible for its natural curl pattern. Once these bonds are broken and reformed, the hair becomes straight.

Relaxing is a permanent change to the hair's structure. Hair that has been chemically relaxed will remain straight until it grows out and is cut. New growth, often referred to as "new growth" or "roots," will retain the hair's natural curl pattern and will typically require touch-up treatments as it becomes noticeable.

How Hair Relaxing Works

The primary active ingredients in most hair relaxers are strong alkaline chemicals. The most common types are:

• Lye relaxers (sodium hydroxide): These are traditionally very strong and work quickly. Sodium hydroxide straightens hair by penetrating the hair shaft and breaking the disulfide bonds. They typically have a very high pH, often between 12 and 14.
• No-lye relaxers (calcium hydroxide combined with guanidine carbonate): These are often marketed as gentler alternatives, though they are still very potent chemicals. They work similarly to lye relaxers but often require mixing two components immediately before application. While they may cause less irritation to the scalp for some individuals, they can still lead to dryness and damage if not used correctly.

Regardless of the active ingredient, the chemical process involves:

1. Breaking Disulfide Bonds: The alkaline solution raises the hair's cuticle, allowing the chemicals to penetrate the cortex. Once inside, the chemicals react with the cystine amino acids, breaking the disulfide bonds that give hair its shape.
2. Straightening: After the bonds are broken, the hair is physically straightened using a comb or brush.
3. Neutralization: A neutralizer, typically an acidic solution, is then applied to reverse the chemical action, lower the hair's pH, and effectively "lock" the hair into its new straight configuration by reforming the disulfide bonds in their new elongated state. This step is crucial to prevent further chemical processing and damage.

Types of Relaxers

Relaxer Type	Active Ingredient	pH Level	Pros	Cons
Lye Relaxer	Sodium Hydroxide	12-14	Fast-acting, very effective on coarse hair	High potential for scalp burns, hair damage, dryness
No-Lye Relaxer	Calcium Hydroxide + Guanidine Carbonate	9-11	Often less irritating to scalp	Can be drying to hair, can leave mineral buildup, requires mixing

The Relaxing Process Step-by-Step

While specific instructions vary by product and hair type, a typical relaxing process includes:

1. Pre-treatment: Applying a protective base (like petroleum jelly) to the scalp, hairline, and ears to shield them from the strong chemicals.
2. Application: The relaxer cream is carefully applied to dry, unwashed hair, starting from the back and working towards the front, avoiding previously relaxed hair. The new growth is targeted.
3. Processing: The relaxer is left on for a specific amount of time, determined by hair type, texture, and desired straightness. This step requires careful timing to prevent damage.
4. Rinsing: Thorough rinsing with lukewarm water removes all traces of the relaxer.
5. Neutralizing: A neutralizing shampoo is applied, often with a color indicator to ensure all relaxer has been removed, followed by a neutralizing conditioner. This step restores the hair's pH and halts the chemical process.
6. Conditioning & Styling: A deep conditioning treatment is applied to restore moisture and protein, followed by styling as desired.

Potential Risks and Aftercare

While relaxing can achieve desired straightness, it is a demanding chemical process that carries potential risks:

• Chemical burns: If the relaxer is left on too long, applied incorrectly, or if the scalp is not properly protected.
• Hair breakage: Over-processing or overlapping relaxer on previously relaxed hair can sever disulfide bonds excessively, leading to significant breakage, thinning, and hair loss.
• Dryness and damage: Relaxers strip the hair of its natural oils, leading to dryness, brittleness, and a compromised cuticle.
• Scalp irritation: Redness, itching, and flaking of the scalp are common.

Proper aftercare is essential for maintaining the health of relaxed hair. This includes:

• Sulfate-free shampoos and conditioners: To gently cleanse without stripping moisture.
• Regular deep conditioning: Weekly or bi-weekly deep conditioning treatments and protein treatments to replenish moisture and strengthen the hair.
• Moisturizing: Using leave-in conditioners and natural oils to keep hair hydrated.
• Avoiding excessive heat: Minimizing the use of heat styling tools to prevent further damage.
• Gentle handling: Relaxed hair is more fragile, so avoid tight hairstyles, excessive brushing, and rough handling.
• Timely touch-ups: Only relax new growth, typically every 8-12 weeks, to avoid over-processing and damage to previously relaxed hair.

Relaxing is a commitment that requires consistent care and attention to maintain hair health. Understanding the process and its implications is key to making informed decisions about chemically altering hair texture.