Free delivery on all orders
Fast & Free Delivery On All Orders
5* Reviews on Trustpilot
Follow Us On Instagram

Goldwell Style Sign Sleek Perfection Thermal Spray Serum 100ml

Code: 23007
  • £8.95
  • RRP £12.50
  • You save up to 28 %
Item in Stock |
Goldwell StyleSign Sleek Perfection Thermal Spray Serum (100ml) is a fine waterless mist used to create a sleek straight look. It has 24 hours humidity resistance. This mist is used when the straightening process wants speeding up. Also protects colour & hair from thermal damage.

Directions of use:

  • Spray onto dry hair before using a straightening iron.

If you'd like to know the ingredients for any of our products, please drop us an email and we'll send you an image of the product with the ingredients shown. Manufacturers change their ingredients regularly, sometimes without letting us know. By sending an image, we ensure that you receive a current & up to date list.

Shop online at Justmylook in complete confidence as all online payments are 100% secure. You can either pay using your card through our secure servers or alternatively checkout via Paypal for fast, convenient payment.

Justmylook offers free delivery on all UK orders via Royal Mail 48 & Royal Mail 48 Tracked. Delivery should normally take 2-3 working days depending on the time you place your order. You will be given an estimated delivery date at the basket page.


Royal Mail 48 Tracked: Orders are usually dispatched the same day when placed before 2:00pm Mon-Fri. It should normally take 2-3 working days for delivery.

Royal Mail 24, Royal Mail Special Delivery & DPD: Orders placed before 3:00pm are usually dispatched the same day Mon-Fri. Orders after this threshold will be dispatched the next working day. 

Express Delivery

Express delivery is available from only £1.95. We dispatch our express orders via three different delivery options. The services available are Royal Mail 24 Tracked (not guaranteed), DPD (guaranteed) or Royal Mail Special Delivery before 1pm (guaranteed). Royal Mail Special Delivery is our only guaranteed Saturday service.

DPD express delivery service includes door to door tracking, SMS alerts and a one-hour time slot for delivery so you know exactly when to expect your beauty goodies!

Justmylook accepts no responsibility for transport delays or circumstances outside of our control causing late delivery. Delivery will be to the address advised in your order. We will only deliver to the address provided at checkout. If no one is available at the postal address provided at the time of delivery, a note will be left to advise you or Royal Mail may deliver to a neighbour. Recipients can opt out of Delivery to neighbour and can also nominate a specific neighbour if they wish. Details of how to do so can be found here:

We do not allow collections.

Returns Policy

If you would like to return your order, please contact us (via this form) prior to sending your parcel back. accepts returns on all orders, as long as you notify us within 14 days of receipt that you're wanting to return your order. You then have a further 14 days to physically return the products. You will be responsible for the cost of returning the goods unless we delivered an incorrect item or the item is faulty. Please ensure that you keep a copy of your proof of postage, as we can't be held responsible for goods that have either been damaged or lost in transit. Goods must be returned in their original, sealed packaging and re-saleable. (This does not affect your statutory rights) If items are received back damaged, or missing items we are entitled to make a charge to cover the cost of this, and thus this may affect the amount credited to you. We aim to process returns within 5 working days of receiving the item back. If we deliver an item in error or a damaged item, we will cover the cost of returning this to us if required. Please note that we will only cover the cost of standard shipping for this. If you do receive a damaged item, please do not dispose of this without prior written confirmation from us as we may require it returned (at our expense). In the interests of hygiene we are unable to exchange or refund any grooming, cosmetic or electrical products once the security or hygiene tag/seal has been removed, or if they show signs of use unless the items are faulty. 

Hazardous Materials (HAZMAT)

Please note that Royal Mail currently class nail polishes, flammable liquids and aerosols as "hazardous materials" and will only accept a limited number of these per parcel.

If your purchase exceeds the limits below then it will be delivered via an alternative method; Hermes if standard delivery is selected and DPD if express delivery is selected.


  • 4x nail polishes
  • 2x aerosols
  • Aerosols over 500ml
  • No flammable liquids can be shipped via Royal Mail
Review Summary - 5 out of 5 based on 10 ratings.
Sort reviews by:

November 28, 2019 |

September 20, 2019 |

First time I have purchased this, it does a good job keeping my hair straight, will buy again.

September 10, 2019 |

Great price and quick delivery

July 31, 2019 |

Absolutely brilliant product. I suffer from very dry, brittle and snapped ends but they don’t show when I use this - feels fantastic. Thank you Goldwell!

July 11, 2019 |

I was introduced to this product by my hairdresser and not looked back. I've used this for years, works well with my hair.

March 20, 2019 |

I love this spray - it makes my hair look sleek and shiny and smeels amazing!

February 22, 2019 |

Very good none greats leaves hair glossy

May 31, 2018 |

I have been using this product for a while , I find my hair is a lot better using this.
can recommend this product,

May 11, 2018 |

I love this I always use this before drying my hair,
good product, cheaper than buying at the hairdressers,

May 2, 2018 |