Mizani Thermasmooth Smooth Guard Smoothing Serum

3.4oz/100ml  This hair serum works best with curly to tightly coiled hair and is a must for overhauling fragile, damaged, color-treated strands. An anti-frizz serum and protectant that helps heat tools glide easily through hair.This hair smoothing serum conditions hair, combats frizz and blocks humidity, leaving strands sleek, shiny, smooth and strong. Cationic Polymers: Coat the hair to repel humidity and lock in shine. Ceramides: Penetrate each strand to reinforce strength and keep hair springy, helping it bounce back to its normal texture. Coconut Oil: Infuses supreme hydration into the hair to help ward off heat damage.

Limited-time offer: Free standard delivery within England on orders over £100. Valid from 22 August 2026 to 21 September 2026 (30 days). Exclusions apply. Scotland, Wales, Northern Ireland, the Scottish Highlands and UK islands are excluded from the free-delivery offer; checkout displays the applicable charge.

• Next-day delivery costs £5.99.
• Two-day delivery costs £4.99.
• Eligible orders placed before 3:00pm Monday–Friday are dispatched the same day. Orders after 3:00pm, at weekends or on bank holidays are processed on the next working day.
• Delivery times are estimates and may be affected by the delivery provider.
• Erith Click & Collect orders are normally prepared within 15 minutes. Wait for a ready-for-collection confirmation before travelling to the store.

Unopened, unused and resaleable online purchases may be returned within 14 days. Wigs, ponytails, hair extensions, cosmetics and other hygiene-sensitive products cannot be returned for a change of mind once packaging or a hygiene seal has been opened, removed or damaged. Customised or altered wigs and hair products cannot be returned unless faulty.

These exclusions do not apply when an item is faulty, damaged, incorrectly supplied or not as described. Approved refunds are processed within one working day after receipt and inspection; banks and payment providers may take longer. Report damaged, faulty or incorrect products within 24 hours with your order number and clear photographs. Orders can be cancelled before dispatch; after dispatch, this returns policy applies. Read the full policy.

Our Erith store team can help you choose a shade, texture or routine. WhatsApp the team.

The ingredient list isn't available for this product yet. Please check the packaging or ask the Aglory team before purchase.