cuticle damage

5 Causes of Dull Hair

What is dull hair?

Having lustrous and radiant hair can impart a youthful appearance, while dull and lackluster hair might contribute to an older look. Understanding the factors that lead to less shiny hair can provide insights for achieving that desired shine. By addressing the root causes of dullness, you can effectively enhance the shine of your hair and maintain a youthful appearance.

Open cuticles make hair dull

When the hair's cuticle layer is sealed, the hair's surface resembles a mirror, resulting in a glossy shine. On the contrary, when the cuticle layer is raised or open, light doesn't reflect well, leading to a lack of shine. Various forms of damage to the hair can lead to an open cuticle, which characterizes damaged hair.

Healthy and Damaged Hair Structure

Healthy hair cuticles are essential for hair growth. The cortex, the thickest layer of a hair strand, is made of cuticle cells. These tightly closed cells prevent water from entering or leaving the cortex. This mechanism prevents hair shaft damage. Conversely, an open cortex allows moisture to enter and escape the hair, causing dryness and breakage. Maintaining hair strength and vitality requires cuticle layer integrity.

Can You See Hair Cuticles?

Cuticles, the minuscule and intricate structures located at the tips of every hair strand, hold a crucial role in maintaining hair health. They play a vital part by safeguarding your hair against the impact of sunlight, the environment, and styling practices. Regrettably, these cuticles are too tiny to be discerned by the naked eye. Nonetheless, with the assistance of a microscope, one can unveil the intricate composition of cuticles and observe their interaction with the hair shaft. Through this closer inspection, you can gauge the condition and excellence of your hair, and even pinpoint issues that could be contributing to damage. This microscopic examination sheds light on the invisible guardians of your hair's well-being.

Photograph of hair taken with a 500x microscope

Healthy hair with closed cuticles

Damaged hair with some open cuticles

5 Causes of Cuticle Opening


Welcome to this informative video where we'll uncover the key factors that lead to cuticle opening in your hair. Understanding these causes is essential for maintaining healthy and vibrant locks. Let's dive right into it.

5 Causes Of Cuticle Opening

1. UV Rays and Heat

Intense light, such as ultraviolet rays, can harm the hair's cuticle, causing it to become open. Similarly, prolonged and high-temperature exposure from a hairdryer can also lead to the opening of the cuticle.

2. Chlorine in Tap Water

Elevated chlorine levels in tap water can disrupt the structure of hair protein, known as keratin, resulting in damage to the hair's cuticle. Additionally, the presence of chlorine can cause the dissolution of melanin pigment, leading to a reddish hue in the hair. This phenomenon is particularly notable among pool instructors and swimmers who frequently encounter chlorine-rich water.

3. Age-Related Reduction of Cuticles

Hair typically consists of 5 to 6 layers of cuticles, which can decrease in number as we age. When the cuticle layer diminishes, the hair's diameter becomes finer and thinner. A reduction in the cuticle layer can lead to softening of the hair. Moreover, as we grow older, the moisture and oil levels in the hair decrease, resulting in a decline in internal density. Consequently, the hair becomes more susceptible to swelling and losing its natural luster.

4. Chemical Coloring or Perming

Consistently engaging in chemical coloring or perming, even with regular salon treatments, can lead to persistent hair damage. This effect is particularly noticeable for individuals using high-tone colors involving bleach, which can harm the cuticle and result in its persistent opening. Opting for hair care products containing reparative ingredients and providing dedicated care can significantly enhance the hair's condition.

5. Damage from Friction

Daily shampooing and over-brushing can cause friction that damages the hair's cuticle. The cuticle is particularly vulnerable when the hair is wet and can be prone to peeling off. It's essential not to vigorously scrub your hair with shampoo or vigorously rub it with a towel during drying, as these actions can lead to cuticle damage. When handling your hair, whether shampooing or brushing, it's advised to do so with a gentle touch, minimizing the application of force.

Repair damage with Ayurvedic herbs

Ayurvedic Hair Treatment & Shampoo

Ayurvedic Hair Treatment & Shampoo uses the power of nature to repair and rejuvenate your hair, leaving it feeling soft and manageable. Harnessing the potent essence of organic herbs, it breathes life into your locks, bringing back much-needed hydration and vitality.

Increase blood flow and repair damage

This herb enhances blood circulation and works to restore dry and split ends, effectively repairing the extent of damage and returning the hair to its natural and healthy condition.

100% Organic Hair Color

Switching from chemical hair color to a natural hair color approach involves closing the cuticle and adopting a hair dyeing routine that minimizes damage to your hair.