Hair Growth & Thickening

Do hair growth products actually work?

Yes, most hair growth products can help people dealing with hair thinning, but they’re not a miracle fix. The good news is that a well-chosen formula with the right actives can make a real difference to your scalp health and the strength of your strands with consistent use over time.

The thing is, the cause of hair loss is rarely the same for everyone. Hair fall triggered by stress looks different from hair thinning caused by hormonal shifts or a nutrient gap, and the haircare products that help with one may do little for the other. Getting the right match from the start saves you a lot of trial-and-error.

Not sure which way to go? Our experts can help you work it out! Drop by your nearest store and walk away with a recommendation that actually suits your hair.

How long do hair growth products take to work?

Most people notice less shedding within 4 to 6 weeks, with visible improvements in strand strength and healthier hair coming through around the 8 to 12 week mark. Fuller hair density takes longer. That's just how the hair growth cycle works, and it's worth going in with realistic expectations so your routine has enough time to deliver.

What you pair together makes a real difference. Start with a hair growth shampoo and conditioner as your everyday foundation. Add a weekly hair mask to keep your strands nourished and reduce breakage over time. If you want more targeted results, reach for a scalp treatment or a leave-in treatment to work directly on your roots between washes.

What ingredients help with hair growth?

The ingredients most worth looking for in hair growth products are biotin, keratin, peptides, caffeine and rosemary oil. The best formulas combine more than one of them because healthy hair growth needs support at the scalp, the follicle and the strand.

Here’s what each one does for your hair:

• Biotin supports keratin production, the protein your strands are built from. Many people don’t get enough of it, and you’ll find it as a key active ingredient across our growth shampoos and treatments.
• Keratin goes directly into the hair shaft to strengthen and smooth it. If your strands feel brittle or snap easily, a keratin-based formula can make a real difference over time.
• Peptides work at the follicle level to stimulate new hair growth and improve hair density.
• Caffeine stimulates hair follicle activity and supports blood flow to the scalp, helping deliver nutrients where your hair needs them most.
• Rosemary oil works similarly to caffeine and has well-documented benefits for scalp health and hair growth. It pairs well with caffeine in shampoos and serums.
• Tea tree oil soothes the scalp, reduces dandruff and calms irritation.
• Aloe vera is gentle on the scalp and helps reduce redness and irritation. It’s a good one to look for if your scalp tends to react or feel sensitive after washing.

You’ll find these ingredients across our hair growth shampoos, hair growth conditioners and hair growth treatments at Hairhouse.

What is the difference between hair growth and hair thickening?

Hair growth products work at the scalp and follicle level, while hair thickening products work on the strand itself. They solve different problems, and your haircare routine will get a lot more out of both when you understand which one your hair actually needs.

If your natural hair is thinning or shedding, or your hairline is looking sparse, start with a hair regrowth formula. That’s a scalp issue, and it needs a scalp solution. Reach for a thickening formula instead if your hair feels flat or fine but is not actually falling out. This helps add volume and reduce frizz.

The good news is you don’t have to pick one. Nioxin's hair thickening system works on the scalp and the strand at the same time, making it a great fit if you want to support your overall hair health and see fuller results.

What hair growth products are best for thinning or fine hair?

If your hair is thinning or fine, start with products that work at both the scalp and the strand. A solid haircare routine usually begins with a hair growth shampoo and conditioner, and builds from there. Here’s how to layer it up:

• Thickening shampoo and conditioner lay the foundation. The BondiBoost HG Shampoo and Conditioner are popular picks, and Paul Mitchell's Tea Tree Scalp Care Anti-Thinning range targets the scalp directly if that is where your thinning starts.
• A hair growth serum gives you targeted daily support between washes. The BondiBoost HG Lock Drops and Nioxin's Night Density Rescue Serum are both worth having in your routine, depending on whether you prefer a daytime or overnight formula.
• A hair loss treatment system is the next step if your thinning is more visible. Nioxin's hair thickening systems suit both natural hair and colour-treated hair, and each one includes a leave-in treatment to protect your strands between washes.
• Thickening fibres or a finishing spray gives an instant result on days when you need your hair to look fuller right now. Bosley Hair Thickening Fibres and KEVIN.MURPHY Thick.Again are both great options for fine hair.

Are there hair growth products that work for men?

Yes, and there are plenty of options worth trying. Men's thinning tends to show up at the hairline or crown first, so scalp-focused products are usually the best place to start.

Most of the range at Hairhouse works for both men and women, so you’re not limited in what you can reach for. Pop into your nearest Hairhouse store, and we’ll help you find the right fit for your hair type and how much thinning you’re dealing with.

Where to buy hair growth products in Australia

You can shop Hairhouse's range of hair growth products in-store and online across every hair concern. We stock everything from thickening shampoos and scalp serums to targeted scalp treatments across 125+ stores in Australia and online.

Our range goes well beyond hair growth. You’ll find styling products, hair oils, treatments for damaged hair and split ends, as well as finishing sprays and serums for any hairstyle. From everyday picks to sale price options, there's something for every budget, with free delivery on orders over $70.

Your best hair is closer than you think. Visit your nearest Hairhouse store for personalised advice, or browse our FAQs online for help with your order!