L’Oréal Keratin Alpha Sleek Serum 50ml
Excellent 13,730 ReviewsSerum for frizz and volume control
L'Oréal Professionnel Keratin Alpha Sleek Serum delivers salon-quality smoothing in a 50ml bottle. Formulated with Keratin Sealer 5%, this heat-activated serum seals the hair cuticle to reduce frizz and boost shine for up to 5 days with a single application. Use alongside the full routine for extended frizz control lasting up to 2 weeks. The serum provides humidity protection up to 80% and withstands heat up to 230°C, making styling faster and easier. Free from artificial colorants and alcohol, it's designed for those seeking smoother, more manageable hair with minimal effort. Apply to damp hair, dry with a blow dryer, and use a straightening iron for best results.
Shake before use On washed and towel-dried hair, detangle and section hair into two parts Spraying into your hand, start with 2-4 sprays for thin to medium hair and 6-8 sprays for thicker hair Rub hands together and distribute product evenly from mid-length... Shake before use On washed and towel-dried hair, detangle and section hair into two parts Spraying into your hand, start with 2-4 sprays for thin to medium hair and 6-8 sprays for thicker hair Rub hands together and distribute product evenly from mid-lengths to ends Do not rinse Dry with dryer. Use straightening iron for longer-lasting results.
DIMETHICONE • BIS-(MORPHOLINOMETHYL C1-4 DIALKOXYSILOXY) DIMETHICONE • BIS-CETEARYL AMODIMETHICONE • PARFUM / FRAGRANCE • LINALOOL • CITRONELLOL • GERANIOL (F.I.L. N70063363/1). DIMETHICONE • BIS-(MORPHOLINOMETHYL C1-4 DIALKOXYSILOXY) DIMETHICONE • BIS-CETEARYL AMODIMETHICONE • PARFUM / FRAGRANCE • LINALOOL • CITRONELLOL • GERANIOL (F.I.L. N70063363/1).
Delivery & Returns (HWS Beauty)
Free Next-Working-Day Delivery (UK Mainland)
HWS Beauty offers Free Standard Delivery on orders above £30 & FREE next-working-day delivery on all orders over £50.
- Order by 2:00pm (Mon–Fri) to qualify for same-day dispatch and next-working-day delivery.
- Orders placed after 2:00pm will be dispatched the next working day.
If your order is under £50, you can select Next-Day Delivery at checkout for £5.99.
Saturday Delivery
Saturday delivery is only available if a Saturday service is selected and paid for (where available). Otherwise, Saturday delivery is not guaranteed.
Standard Delivery
Standard Delivery above £30 is free. If your order is under £30 then a charge for standard delivery is £3.79.
We aim to deliver within 2–4 working days (excluding Sundays and bank holidays).
Delivery Partners
HWS Beauty dispatches orders using:
- Royal Mail
- DPD
- APC
The courier used depends on parcel size, weight, and destination. DPD Hub Box can be selected at checkout where available.
Shipping Restrictions
We currently do not ship to Ireland or Northern Ireland.
Returns
For full details, please see our Returns Page.
Please note: Delivery times are estimates and may be affected by courier delays, peak periods, or bank holidays.