Regimen
Verified Top PickDecibel Hair's Volume and Thickening Regimen set is $96.80 instead of $121, marked save 20% on its home page. It groups the brand's shampoo, conditioner and Hypertrophy treatment, as shown on 29 October 2026.
Limited Time Offer
Sign-Up
VerifiedSign up to Decibel Hair's newsletter on its site to receive 10% off your first order, as stated on its home page on 29 October 2026.
Limited Time Offer
$50+
VerifiedDecibel Hair ships US orders over $50 free by standard shipping, which takes 3 to 7 business days after processing of 5 to 7 business days. It ships within the United States only, as shown on 29 October 2026.
Limited Time Offer
Price
VerifiedDecibel Hair lists its Thickening Shampoo and Thickening Conditioner at $36 each for a 10 fl oz bottle on its US store, as shown on 29 October 2026.
Limited Time Offer
Price
VerifiedThe Hypertrophy Thickening and Volumizing Treatment is listed at $49 for 8 fl oz on Decibel Hair's store. Two items over $50 together get free US shipping, as shown on 29 October 2026.
Limited Time Offer
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Extra codes from partner brands, refreshed alongside this store's offers.
A practical savings guide for shoppers using Decibel Hair US offers.
Decibel Hair does not show a public promo code on its site. Its sign-up offer is 10% off your first order when you join the newsletter. The bigger saving is the Volume and Thickening Regimen, which puts the shampoo, conditioner and Hypertrophy treatment together for $96.80 instead of $121, marked save 20%.
The range is small. The Thickening Shampoo and Thickening Conditioner cost $36 each for 10 fl oz, and the Hypertrophy Thickening and Volumizing Treatment costs $49 for 8 fl oz. Bought one by one the three come to $121, so the regimen set is the cheaper way to get all three. Some products can be ordered as a subscription, which you can manage or cancel from the link in your order confirmation email; the subscription policy does not list an extra discount.
Standard shipping is free on US orders over $50. Orders are processed within 5 to 7 business days, then standard delivery takes 3 to 7 business days, or 2 to 3 business days with expedited shipping chosen at checkout. Decibel Hair ships within the United States only and asks international shoppers to email its team. Read the refund policy linked from the shipping page before you order.
Offers on this page were checked on the shop's own website on 29 October 2026.
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