This is where hair capsules step in. Designed to nourish hair from the inside, these compact supplements are fast becoming the go-to for anyone seeking thicker, stronger and healthier hair.
But what are they exactly? How do they work? And which ingredients should you be looking for?
Let’s take a closer look.
What Are Hair Capsules?
Hair capsules are oral supplements filled with nutrients that target the biological roots of hair growth. Unlike shampoos and masks that work only at the surface, capsules support the processes happening below the scalp.
Inside each capsule is a concentrated blend of vitamins, minerals, plant extracts and amino acids. These are carefully chosen to strengthen follicles, reduce hair shedding, improve scalp condition and stimulate the growth of new strands. Some even help balance hormones and reduce inflammation.
Not all hair capsules are created equally, though. The real difference lies in the ingredients.
Key Ingredients and Their Hair Benefits
Here is a simple overview of the hero ingredients found in the GR-7® Complex Hair Support formula. These have been selected for their proven ability to support hair strength, growth and overall vitality.
| Ingredient | Function |
| Bamboo Extract | High in silica. Strengthens hair structure, supports collagen, boosts shine. |
| Saw Palmetto | Reduces DHT. Helps prevent hair loss and supports regrowth. |
| Nettle Leaf | Balances scalp oil, reduces dandruff, provides trace minerals. |
| MSM | Supplies sulphur. Builds keratin and collagen, strengthens strands. |
| L-Cysteine | Amino acid for keratin production. Increases hair strength and elasticity. |
| Phosphatidic Acid | Stimulates keratinocytes. Promotes new hair growth. |
| Biotin | Supports healthy hair and metabolism. |
| Copper | Maintains pigmentation and protects against oxidative stress. |
| Selenium SeLECT® | Protects scalp cells and supports thyroid for healthy growth. |
Bambusa Vulgaris: The Silica Source
Derived from bamboo, Bambusa Vulgaris is one of the richest sources of natural silica available. Silica is vital for the structure and resilience of the hair, and bamboo offers it in abundance.
It does more than just coat the hair. It helps regenerate it from within. This plant-based ingredient supports hair on three levels. At the bulb where growth begins. At the stem where strength is needed. And at the core, where elasticity matters most.
Serenoa Repens: Hair’s Hormonal Ally
More commonly known as saw palmetto, this extract supports hair growth by influencing hormone activity. It is particularly useful for people experiencing androgenetic alopecia, often referred to as male or female pattern baldness.
Saw palmetto contains a blend of fatty acids that can help reduce the conversion of testosterone into DHT. DHT is one of the main hormones that contributes to hair loss, especially at the temples and crown. By helping to keep it in check, this extract encourages thicker regrowth and a healthier scalp environment.
Urtica Dioica: For Balanced Scalp and Stronger Strands
Also known as nettle, this extract is a natural solution for oily scalps and irritated skin. It contains polyphenols and trace minerals that help regulate sebum, which can otherwise clog follicles and slow growth.
Nettle also supports healthy nails and skin. But for hair in particular, it helps reduce flakiness, strengthens the root and leaves the scalp feeling refreshed rather than inflamed.
MSM: The Sulphur Supporter
MSM stands for methylsulfonylmethane, an organic form of sulphur that plays a major role in building keratin and collagen. These two structural proteins are essential for hair that is flexible, strong and smooth.
Sulphur helps form the bonds between strands of keratin, improving the elasticity and durability of each hair fibre. It also contributes to the formation of amino acids like cysteine, making it a foundational nutrient for healthy hair.
L-Cysteine: Keratin’s Building Block
L-Cysteine is an amino acid directly involved in the production of keratin, the protein that makes up 95 percent of the hair shaft. Without it, the hair structure weakens, resulting in more breakage and less resilience.
Supplementing with L-Cysteine supports not just the strand itself, but the follicle, root and connective tissues around it. It is one of the most vital tools in any hair repair routine.
Phosphatidic Acid: The Natural Growth Activator
This unique compound is found in soybeans and is now gaining attention in the world of hair science. Phosphatidic acid helps activate keratinocytes, the skin cells responsible for producing keratin.
By stimulating these cells, it encourages new hair to form. This may lead to visibly denser and fuller hair over time. It is a natural but innovative way to turn on the body’s own growth mechanisms without synthetic interference.
Essential Vitamins and Minerals
A high-quality hair capsule always includes the nutrients that support overall scalp and follicle health. The GR-7® Complex includes:
- Vitamin A, to regulate oil production and keep the scalp healthy.
- Vitamin D, to support the immune system and influence the hair growth cycle.
- Vitamin B6, to balance hormone activity and support the production of cysteine.
- Biotin, to maintain strong, healthy strands and aid nutrient metabolism.
- Copper, to protect against cell damage and preserve natural hair colour.
- Selenium SeLECT®, a high-grade form of selenium that protects the scalp, supports thyroid function and helps maintain healthy growth.
What to Avoid in Hair Supplements
Not every hair supplement is created with care. Here are a few red flags to look out for on the label:
- Artificial preservatives or colourants
- Excessive sweeteners or unnecessary fillers
- Low-quality synthetic vitamins
- Common allergens, unless clearly marked as hypoallergenic
The best formulas are clean, well-sourced and backed by research.
Frequently Asked Questions
Do hair capsules really work?
They can be highly effective, but they are not overnight solutions. Most users report noticeable improvements after 8 to 12 weeks of consistent daily use.
Are they suitable for both men and women?
Yes in most cases. (But always check with the company before purchasing) The ingredients of one leading hair capsule provider, GR-7, offer Complex Hair Support Capsules, which are beneficial to both sexes. However, some, like saw palmetto, are especially effective for male-pattern hair loss.
Are there any side effects?
Hair capsules are generally safe for most people. However, anyone with a medical condition or who is pregnant or breastfeeding should consult a doctor before starting a new supplement.
Can I take them with other hair treatments?
Absolutely. They can enhance the effects of topical treatments like serums, shampoos or oils by supporting the same goals from the inside.
What is the best time to take them?
With a meal is best, especially one that includes healthy fats. This helps your body absorb fat-soluble vitamins like A and D more effectively.
Final Thoughts
Hair capsules are not a miracle fix, but they are a powerful tool. With carefully selected ingredients like bamboo silica, MSM, L-Cysteine and saw palmetto, they help address the root causes of hair weakness and thinning.
Consistency and patience are key. With daily use and the right formulation, you are not just adding to your beauty routine. You are investing in your long-term hair health.
Stronger roots. Healthier strands. Better hair, from within.

