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Herbal Boost - Hair Conditioner Bars for Thin Weak Hair

£11.99

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Options Conditioner bar in a tin Refill conditioner bar

For hair that feels thin, weak, or lacks volume

Best for: Thinning, fine, or weak hair that needs nourishment, strengthening, and support for fuller-looking results.

Nourishing • Strengthening • Volumising

A lightweight, nourishing conditioner bar designed to soften, detangle, and support thicker, healthier-looking hair without weighing it down.

When your hair feels fine or lacking strength, the right conditioner can make all the difference — delivering moisture while helping to support growth and improve volume.

Handcrafted with botanical ingredients, Herbal Boost is a nourishing conditioner bar for thinning hair that works to strengthen, hydrate, and enhance natural body. Designed as one of your go-to hair conditioner bars, it helps to detangle, smooth, and boost shine — leaving hair soft, bouncy, and more manageable.

Infused with organic pumpkin seed oil, inulin, and glycerine, this bar helps to nourish the scalp, support stronger hair growth, and improve overall hair texture. A refreshing blend of rosemary and peppermint essential oils helps to stimulate the scalp while leaving hair feeling revitalised.

Why your hair will love it

Inulin – a plant-based conditioner that smooths and hydrates without silicone buildup, leaving hair silky and lightweight

Organic Pumpkin Seed Oil – rich in zinc and magnesium to help support thicker hair, boost growth, and keep hair soft and bouncy

Glycerine – deeply hydrates and helps lock in moisture for smooth, shiny, and healthy-looking hair

Rosemary & Peppermint Essential Oils – help stimulate the scalp, encourage circulation, and support healthier, fuller-looking hair.

Add a conditioner and shampoo bar to your cart to get £1.50 off.

Delivery

Enjoy free standard UK delivery when you spend £45 or more, or free Express UK Delivery when you spend £100 or more! Discount is automatically applied at checkout.

We'll dispatch your order within 2 working days and send it by Royal Mail Tracked Services. Choose from:

Standard Delivery: Tracked 48 service (2-3 days) - up to 2kg: £4.25

Standard Delivery: Tracked 48 (2-3 days) - over 2kg: £7.60

Express Delivery: Tracked 24 (1-2 business days) - up to 2kg: £5.09

Express Delivery: Tracked 24 (1-2 business days) - over 2kg: £8.70

Royal Mail Special Delivery Guaranteed by 1pm: Up to 1kg £11.15

Royal Mail Special Delivery Guaranteed by 1pm: 1-2kg: £14.35

These delivery costs apply to the UK and the Isle of Man. For delivery costs to the USA please click here

How to use our conditioner bars

For detailed instructions on how to use our conditioner bars please see our FAQ's below

Plant your labels!

Plant the wildflower seed labels from our range of products and grow beautiful wildflowers in your garden. See our step-by-step planting guide here.

Care

To make your hair conditioner bar last longer, always dry between uses. Dry on a soap dish or rack with draining holes for the best results.

Full ingredients

INCI: Cetearyl Alcohol, Behentrimonium Methosulfate, Cetyl Alcohol, Butyrospermum Parkii Butter, Theobroma Cacao Seed Butter, Inulin, Aqua, Cucurbita Pepo Seed Oil, Glycerin, Cetearyl Olivate, Rosmarinus Officinalis Leaf Oil, Mentha Piperita Oil, Tocopherol, Sorbitan Olivate, Gluconolactone, Sodium Benzoate, Calcium Gluconate. Allergen: Limonene

In plain English: Cetearyl Alcohol, Behentrimonium Methosulfate, Cetyl Alcohol, Raw Organic Shea Butter, Virgin Organic Cocoa Butter, Chicory Root, Water, Organic Pumpkin Seed Oil, Vegetable Glycerine, Cetearyl Olivate, Rosemary Essential Oil, Peppermint Essential Oil, Vitamin E, Geogard Ultra Natural Preservative. Allergen: Limonene

Weight

50g

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1 6

Your solution to silky smooth, nourished and tangle free hair

Our hair conditioning bars offer the luxury of beautifully smooth, silky and shiny hair, in the convenience of a solid bar.

Small, but seriously mighty

Our conditioner bars are highly concentrated bars of nourishing ingredients and will last for months. This will save you money compared to purchasing bottles of liquid conditioner, and help you to reduce your plastic waste. Our solid conditioner bars are plastic-free.

Travel light without compromising on quality

Our range of travel toiletries are the perfect solution when you want to travel light, and save space in your luggage. Choose from our collection of shampoo and conditioner bars, and our range of travel soaps, all of which are available in handy, waterproof aluminium tins.

"It’s such a joy to use and leaves my hair super clean and soft, without drying it out."

"I have fine, wavy hair that has been lightened, bleached, used and abused, and this bar feels so caring and gentle, and unlike a lot I’ve tried, doesn’t affect my colour or dull my blonde. It’s lasting ages too."

- SARAH W

Conditioner bars FAQ's

How do I use a conditioner bar?

Shampoo your hair with one of our shampoo bars
Rinse the shampoo lather from your hair
While your hair is still wet, stroke the conditioner bar through your hair, starting at your scalp and working your way down the shaft of your hair. You'll feel the conditioner detangling and smoothing your hair immediately
Massage the product through your hair with your hands until your hair is coated
Leave the conditioner bar to work its magic for 2-3 minutes
Rinse the conditioner out of your hair thoroughly.

How long will a conditioner bar last?

Our conditioner bars will last up to 50 treatments.

Can I use these conditioner bars if I have coloured, bleached or curly hair?

Absolutely! Our conditioner bars are suitable for all hair types.

Are your conditioner bars suitable for vegans?

Yes absolutely, just like all of our products, our conditioner bars are vegan friendly and cruelty free.

How long does it take for hair to adjust to conditioner bars?

There is no transition period - you can use one of our conditioner bars and have perfectly conditioned hair after the first treatment.

Are these conditioner bars suitable for all hair types?

Yes! We've paired each of our conditioner bars up with its complimenting shampoo bar to make life easier for you.

How do I make my conditioner bar last a long time?

Always allow your conditioner bar to dry between uses. You can use a slatted soap dish or any dish that allows water to drain away from the bar and air to circulate around it. You can also leave it to dry on your shower rack - just make sure that the conditioner bar isn't getting soaked when you're not actually using it.

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Herbal Boost - Hair Conditioner Bars for Thin Weak Hair