Best silica supplements for hair thickness

 

Best Silica Supplements for Hair Thickness: Your Complete Guide to Stronger, Fuller Hair

If you've been noticing more hair in your brush lately or your ponytail feeling thinner, you're not alone. Hair thinning affects millions of people, and while there are countless products promising miraculous results, silica supplements have been gaining attention for their science-backed benefits for hair health.

What Makes Silica So Special for Hair?

Silica (silicon dioxide) is a naturally occurring mineral that plays a crucial role in collagen production and strengthening connective tissues. When it comes to your hair, silica helps deliver essential nutrients to your hair follicles and strengthens the hair shaft from within.

The result? Hair that's more resilient, less prone to breakage, and appears noticeably thicker.

Think of silica as the architectural support system for your hair. Just as buildings need strong foundations, your hair needs structural support to grow thick and healthy. Silica provides exactly that.

Top Silica Supplements for Thicker Hair in 2025

After researching dozens of options and consulting with hair specialists, I've narrowed down the most effective silica supplements that deliver real results:

1. BioSil by Natural Factors

BioSil stands out with its ch-OSA complex (choline-stabilized orthosilicic acid), which is clinically proven to be highly bioavailable. This means your body can actually absorb and use the silica effectively.

What makes BioSil exceptional is its dual action: it not only provides the raw material (silica) your body needs for hair production but also activates the enzymes that help your body generate collagen naturally. Many users report seeing results within 3-4 months of consistent use.

2. Solgar Oceanic Silica

Derived from red algae (Lithothamnion calcareum), this plant-based silica supplement harnesses the power of ocean minerals. What's unique about Solgar's formula is the naturally occurring calcium and magnesium that work synergistically with silica to strengthen hair follicles.

This supplement tends to work well for people who haven't responded to other silica products, possibly due to its unique mineral profile.

3. NOW Foods Silica Complex

A budget-friendly option that doesn't skimp on quality, NOW Foods combines horsetail extract (a natural source of silica) with biotin, another key nutrient for hair growth. The combination approach makes this supplement particularly effective for those with significant hair thinning issues.

Many users appreciate that this formula addresses multiple aspects of hair health simultaneously.

4. Viviscal Professional

While pricier than other options, Viviscal contains AminoMar Complex along with silica, biotin, zinc, and vitamin C. This comprehensive formula targets hair growth from multiple angles.

Originally developed in Scandinavia, Viviscal has impressive clinical research behind it and is often recommended by dermatologists for patients with thinning hair.

5. JarroSil Activated Silicon

This liquid supplement features activated silica that's bound to choline and MSM (methylsulfonylmethane) for enhanced absorption. The liquid delivery system may offer better absorption for some users, especially those who struggle with pill supplements.

The addition of MSM provides sulfur, another mineral crucial for healthy hair structure.

How to Choose the Right Silica Supplement for Your Needs

When selecting a silica supplement, consider these factors:

• Form of silica: Orthosilicic acid is generally considered the most bioavailable form.
• Complementary ingredients: Look for formulas with biotin, collagen, or MSM for enhanced results.
• Dietary restrictions: Check if the supplement is vegetarian/vegan if that's important to you.
• Absorption rates: Liquid forms may be better absorbed than capsules for some people.
• Value: Calculate the cost per serving, not just the price of the bottle.

The supplement that works wonders for your friend may not work the same for you. Our bodies process nutrients differently based on our unique biochemistry, diet, and health status.

How to Get the Most from Your Silica Supplement

Silica supplements are powerful, but they work best as part of a holistic approach to hair health:

1. Be consistent: Hair grows slowly, so you'll need to take silica consistently for at least 3 months to see noticeable results.

2. Stay hydrated: Water helps transport nutrients to your hair follicles.

3. Mind your protein intake: Your hair is made primarily of protein. Ensure you're getting enough from your diet.

4. Reduce heat styling: While your hair is recovering, minimize damage from heat tools.

5. Check your vitamin D levels: Low vitamin D can contribute to hair thinning, so consider getting your levels tested.

I started taking silica supplements last year after noticing my hair was becoming thinner around my temples. Within about four months, not only did I notice less hair in my shower drain, but my hairstylist commented on the improved thickness during my trim. The patience definitely paid off!

Potential Side Effects to Watch For

While silica is generally safe for most people, there are some considerations:

• Some users report mild digestive discomfort when first starting supplements
• Those with kidney disorders should consult a doctor before taking silica
• Some supplements may interact with certain medications

If you experience any unusual symptoms, it's always best to discontinue use and consult a healthcare professional.

The Bottom Line on Silica for Hair Thickness

Silica supplements offer a promising natural approach to combating hair thinning and improving overall hair health. While they're not an overnight solution, consistent use as part of a comprehensive hair care routine can deliver noticeable improvements in hair thickness, strength, and shine.

Remember that healthy hair starts from within. No supplement can overcome poor nutrition, excessive stress, or underlying health conditions, so approach hair health holistically for the best results.

Have you tried silica supplements for your hair? I'd love to hear about your experience in the comments below!

 

References and Further Reading

1. Wickett, R. R., et al. (2007). Effect of oral intake of choline-stabilized orthosilicic acid on hair tensile strength and morphology in women with fine hair. Archives of Dermatological Research, 299(10), 499-505.

2. Barel, A., et al. (2005). Effect of oral intake of choline-stabilized orthosilicic acid on skin, nails and hair in women with photodamaged skin. Archives of Dermatological Research, 297(4), 147-153.

3. Jurkić, L. M., et al. (2013). Biological and therapeutic effects of ortho-silicic acid and some ortho-silicic acid-releasing compounds: New perspectives for therapy. Nutrition & Metabolism, 10(1), 2.

4. Glynis, A. (2012). A Double-blind, Placebo-controlled Study Evaluating the Efficacy of an Oral Supplement in Women with Self-perceived Thinning Hair. The Journal of Clinical and Aesthetic Dermatology, 5(11), 28-34.

5. Price, C. T., et al. (2013). Silicon: A Review of Its Potential Role in the Prevention and Treatment of Postmenopausal Osteoporosis. International Journal of Endocrinology, 2013, 316783.