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Hair Growth Cycle - What You Need to Know for Healthier Hair

Hair Growth Cycle – What You Need to Know for Healthier Hair

Leave a Comment / October 1, 2026

Hair Growth Cycle – Hair does not grow continuously at the same speed throughout your life. Every strand follows a natural Hair Growth Cycle, moving through different phases before eventually shedding and being replaced by a new strand. Understanding this cycle can help explain why hair shedding happens and why factors such as stress, hormones, nutrition, and scalp health can influence hair growth.

Hair Growth Cycle: Understanding the Three Main Phases

The Hair Growth Cycle generally consists of three important stages: anagen, catagen, and telogen.

Anagen Phase

Anagen is the active growth phase. During this stage, the hair follicle continuously produces a hair strand. The length and density of hair are influenced by how long follicles remain in this phase.

According to information on Dr. Stuti Khare Shukla’s website, different factors can affect the normal hair cycle. Hormonal changes, nutritional deficiencies, stress, and certain health conditions may interfere with the growth process. 

Catagen Phase

Catagen is the transition phase. During this relatively short stage, active hair production slows down and the follicle prepares to enter its resting period.

This transition is a normal part of the Hair Growth Cycle. Every follicle does not enter each phase at exactly the same time, which is why we normally have a mixture of growing, transitioning, and resting hairs on the scalp.

Telogen Phase

Telogen is the resting phase. After spending time in this stage, the existing hair eventually sheds and the follicle can begin a new growth cycle.

Dr. Stuti’s website explains that prolonged stress can cause a larger number of follicles to prematurely enter the telogen phase. This may result in increased shedding several weeks or months after the stressful event, a pattern commonly associated with telogen effluvium.

Hair Growth Cycle: What Can Disrupt It?

Several factors can interfere with the normal Hair Growth Cycle. Hormonal fluctuations associated with conditions such as thyroid disorders, PCOS, pregnancy, menopause, and other life-stage changes may contribute to increased shedding. 

Nutrition is another important factor. Insufficient protein, iron, zinc, vitamin D, and certain B vitamins can affect hair health and contribute to increased shedding or weaker strands.

Stress, inadequate sleep, irregular routines, scalp concerns, excessive styling, tight hairstyles, and frequent chemical processing can also affect hair and scalp health.

Hair Growth Cycle: Why Scalp Health Matters

Healthy hair growth begins with a healthy scalp environment. Excess oil, dandruff, buildup, irritation, and scalp conditions can affect the environment surrounding the follicles.

Maintaining scalp hygiene, choosing suitable hair-care products, avoiding excessive styling, staying hydrated, eating a balanced diet, and managing stress can support overall scalp and hair health.

Hair Growth Cycle: When Should You Consult a Dermatologist?

Some temporary changes in shedding may resolve as the Hair Growth Cycle returns to its normal pattern. However, persistent thinning, sudden excessive shedding, visible scalp, patchy hair loss, or a receding hairline should not be ignored.

A dermatologist can evaluate your scalp and hair-loss pattern and look for possible contributing factors such as nutritional deficiencies, hormonal changes, stress, or genetic hair loss. Identifying the underlying cause is an important part of creating an appropriate hair-care plan. 

Dr. Stuti Khare Shukla and Hair Growth

Dr. Stuti Khare Shukla is an MD Dermatologist, founder of Elements of Aesthetics, and a specialist in non-surgical hair growth treatments and clinical dermatology. Her awards and recognitions include Youngest Dermatologist of India and Young Dermatology Icon (2017), Power Woman of India and Specialist in Non-Surgical Hair Restoration (2020), ET Inspiring Women Award and Times Healthcare Leader of India (2021), Leading Icon Award in Hair Growth Treatment (2022), Big FM Best Dermatologist of India, Asia’s Healthcare Leadership Award, ICEDATHON Innovator in Trichology, and BW Healthcare 40 Under 40 (2023), followed by the Women Super Achiever Award, Times Network Best Trichologist, Navabharat Best Trichologist, and other professional recognitions in 2024. She has also been a TEDx speaker and a jury member and hair care expert at Femina Miss India.
Her approach emphasizes understanding the causes behind hair fall and thinning, including hormonal factors, nutrition, lifestyle, scalp health, and follicular health. Her website also highlights personalized hair-growth strategies for different causes of hair loss.

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Conclusion

The Hair Growth Cycle is a natural, ongoing process involving growth, transition, and rest. Occasional shedding is part of this cycle, but significant or persistent hair loss may indicate that something is disrupting normal follicular activity.

Understanding the cause, maintaining good nutrition and scalp care, managing stress, and seeking professional guidance when necessary can help support healthier hair growth and overall hair health.

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