We accept all major credit and debit cards, PayPal, Apple Pay, Google Pay, Shop Pay and Afterpay. All prices are in Australian dollars and include GST.

If your order hasn't shipped, yes — email us at info@gdsshampoo.com.au as soon as possible and we'll sort it out. Once it's with Australia Post we can't recall it, but you're still covered by our 30-day money back guarantee.

Yes. A single bottle is $49, two are $90, and three are $130. Since one bottle lasts three to five months, most customers find the bundle worth it.

You'll receive a confirmation email straight away, and a second email with tracking details once your order ships. If you haven't seen either, check your spam folder before contacting us.

Standard shipping is free on every Australian order — no minimum spend. If you'd like it faster, you can upgrade to Express for an extra $10 on orders of one to three bottles. Order four or five bottles and we'll upgrade you to Express automatically, at no cost.

Standard shipping arrives in about 3–5 business days to metro areas and 4–7 business days to regional areas. Express usually lands in 1–3 business days. Delivery times can stretch during peak periods and public holidays, or if Australia Post is running behind.

Most orders leave our Australian warehouse within one business day.

Every order ships from our Australian warehouse. We're the only online retailer importing GDS directly from the headquarters in South Korea, so your bottle isn't coming from overseas — it's already here.

Australia Post, tracked door to door. You'll get your tracking number by email once your order is dispatched.

Yes, to selected countries, at a flat rate of AUD $20. International delivery times vary depending on the destination and how long customs takes.

Australia Post tracking can lag by a day or two, especially over weekends. If there's been no movement for more than three business days, email us at info@gdsshampoo.com.au and we'll chase it up.

If you're not completely happy with your purchase for any reason, contact us within 30 days of delivery and we'll refund you in full — at no cost to you.

Email info@gdsshampoo.com.au with your order number and the reason for return. We'll send you a free prepaid return label. Once your return reaches us, your refund is processed within 3–5 business days and returned to your original payment method. You'll get an email confirmation once it's issued.

Yes. You can't know whether the colour suits you without trying it, so an opened bottle is fine.

Send us a photo and we'll replace it or refund you immediately — no need to send anything back.

No. We cover it with a free prepaid label.

Yes. If you would like to exchange your GDS Shampoo for a different colour, you will be responsible for the return shipping cost. Once we receive the returned product, we will send the replacement colour to you with free shipping.

GDS is a permanent hair dye shampoo designed for convenient at-home use. Its two-part formula develops during application, creating rich, long-lasting colour that penetrates the hair shaft for natural-looking grey coverage that lasts. The formula contains over 50% naturally derived ingredients, helping to leave hair feeling soft, healthy-looking, and well cared for after colouring. It is also formulated to help support a healthy scalp and promote stronger, healthier-looking hair.

Black and dark brown.

The shampoo can be easily washed off from tiles or skin if cleaned immediately, but it may stain fingernails, so the use of disposable gloves is recommended.

One bottle typically lasts around 3 months, depending on your hair length and how often you use it.

Yes. It works the same way for both.

GDS Dark Brown is designed to cover grey hair with a rich, deep dark brown shade. However, if your hair is already dark brown, it may make your hair appear even darker.

For those looking for a lighter shade, we are preparing to launch a new Natural Brown colour, expected to be available around November 2026.

GDS Hair Dye Shampoo makes it easy to colour your hair by yourself at home. It contains over 50% naturally derived ingredients, has no chemical smell, and applies easily like a regular shampoo for convenient grey coverage. It is also formulated to support scalp health and help reduce hair loss, leaving your hair looking healthy and well cared for.

In South Korea. GDS is a registered functional cosmetic with Korea's Ministry of Food and Drug Safety, and its formula is covered by two Korean patents.

Yes. We import GDS products directly from GDS headquarters in South Korea, and we are the only Australian online retailer to do so. This ensures that our customers always receive 100% genuine GDS products and the newest products available directly from Korea.

Email info@gdsshampoo.com.au. We usually reply within one business day.

We'd like to hear from you. Email info@gdsshampoo.com.au with "Wholesale" in the subject line.