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Regular price $34.00
Regular price Sale price $34.00
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Schwarzkopf Osis Flatliner is the ultimate heat protection spray for your hair. This bottle is perfect for those who want to keep their hair safe from the damaging effects of heat styling tools. With its innovative formula, this spray provides long-lasting protection against heat damage, leaving your hair looking healthy and shiny. Whether you're blow-drying, straightening, or curling your hair, Schwarzkopf Osis Flatliner has got you covered. Get your hands on this must-have product today and enjoy beautiful, healthy-looking hair every day!

Why we love it

Schwarzkopf Osis Flatliner is a professional-grade hair styling product that offers a range of features and benefits. This product is designed to provide long-lasting hold and control for all hair types, including thick, curly, and frizzy hair. The formula is enriched with heat protection agents that shield hair from damage caused by styling tools, making it ideal for use with straighteners and curling irons. The lightweight, non-sticky formula is easy to apply and provides a smooth, sleek finish that lasts all day. With Schwarzkopf Osis Flatliner, you can achieve salon-quality results at home, without damaging your hair.

How to use

1. Start with clean, towel-dried hair. Make sure your hair is completely dry before using the product.

2. Shake the can well before use.

3. Hold the can about 20cm away from your hair and spray a small amount of product onto each section of hair that you want to straighten. Use a comb or brush to distribute the product evenly through your hair.

4. Use a hair straightener to straighten your hair. Make sure to use the straightener on each section of hair that you applied the product to.

5. Once you have straightened your hair, you can use a small amount of the product to smooth down any flyaways or frizz.

6. To finish, spray a light mist of the product over your hair to hold the style in place.


Aqua (Water, Eau), Alcohol denat., VP/VA Copolymer, PVP, Polyquaternium-11, Panthenol, PEG-40 Hydrogenated Castor Oil, Parfum (Fragrance), Cetrimonium Chloride, Sodium Benzoate, Citric Acid, Benzophenone-4, Limonene, Linalool, Hexyl Cinnamal, Citronellol, Geraniol, Benzyl Salicylate, Alpha-Isomethyl Ionone, Hydroxycitronellal, CI 42090 (Blue 1), CI 17200 (Red 33).

From time to time product formulas are updated and ingredients can change. Please review the ingredient list on your product pack and if you spot an error please let us know. We will update the ingredient list immediately.

*Ingredient formulations may change without notice. For the
most accurate ingredient information, always refer to the product packaging. If you notice any discrepancies on our website, kindly bring it to our attention.


All Rodney Wayne Shampoo N Things stock only genuine haircare products, from reputable and globally renowned brands. 

Online order:

  • FREE delivery throughout New Zealand for orders over $89. 
  • All orders require a signature upon delivery, however, you can log onto NZ Post and select to have your parcel redirected or left without a signature.
  • Parcel delivery is Monday to Friday only, with expected delivery within 2 - 5 working days.
  • Dangerous goods such as aerosols cannot be delivered to P.O box address and will take 5 - 7 working days for delivery.
  • Orders for digital gift cards don't count towards the free shipping threshold

Return policy

Return Policy for Online Purchases
Please choose carefully as we do not refund unless your items are faulty If you purchased at one of our physical stores please contact the store directly you can find contact details here

We are happy to exchange your items within 30 days of the date you received your order with proof of purchase at our online store at 290 Dominion Road or contact and we will arrange return shipping, providing the items are in their original condition. 

If the items are faulty, we will meet our obligations under the Consumer Guarantees Act to provide a remedy. 

Can I return a gift I received? 
You can exchange a gift providing you return it within 30 days of the date you received your item and you have the original receipt or order number.

Can I exchange an item? 
We are happy to exchange your goods within 30 days of you receiving your item, with proof of purchase, providing the goods are in their original condition.

How do I return an item?
Goods bought online can be returned at online store at 290 Dominion Road or contact and we will arrange return postage. 

Gift Cards

Gift cards cannot be returned or redeemed for cash. Any unused value on the gift card expires 1 year after date of issue.

Please treat you gift card as cash; it cannot be replaced if lost or stolen.

If you purchased a Gift Card on-line and it has not arrived, please contact the Rodney Wayne support team on

Items returned that are not in original condition or outside the 30 day timeframe

Unfortunately, with the exception of faulty items, we are unable to accept items returned that are not in their original condition or returned after 30 days of you receiving your item. Our customer services team will contact the purchaser to discuss if you would like the items to be returned to you. Any items returned under these circumstances may incur a cost to get the items to you and we will discuss this with you when our customer services team make contact to return the items to you.

Original condition includes having all tags, packaging, etc returned with the items.



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