- Professional Tips
Try and test one of the most effective anti-ageing serums on the market. With 0.3% our retinol serum has the strongest concentration of retinol for effective anti-wrinkle power, whilst also being completely safe for your skin. Retinol helps to visibly reduce the appearance of fine lines and wrinkles while improving skin radiance and luminosity.
Retinol helps to visibly reduce the appearance of fine lines and wrinkles while improving skin radiance and luminosity.
Kakadu Plum (known to have 55 x more Vitamin C than oranges) is amazing for brightening the complexion, reducing hyper-pigmentation and protecting from harsh environmental aggressors such as pollution.
Pentavitin hydrates for up to 72 hours.
Certified by Vegan Society, Dermatologically Tested, Clinically Proven, 97% Natural, Paraben Free, Gluten Free, GMO Free, PEGs Free, SLS Free, Petroleum Free
1. Introduce slowly into your nighttime skincare routine to wake up to beautifully even and glowing skin
2. Apply a small amount of product to cleansed and dry face as part of your evening skincare routine.
3.If new to using a retinol product, begin using 1-2 times a week and gradually increase to daily use as your skin adjusts. Do not use with other retinoid treatments. Avoid contact near eyes, nose and mouth.
4. Apply SPF the day after using The Retinol Serum.
Aqua (Water), Butylene Glycol, Glycerin, Propanediol, Caprylic/Capric Triglyceride, Dicaprylyl Carbonate, Phenoxyethanol, Saccharide Isomerate, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Benzyl Alcohol, Squalane, Polysorbate 20, Retinol, Parfum (Fragrance), Xanthan Gum, Disodium EDTA, Ethylhexylglycerin, Polysorbate 60, Dehydroacetic Acid, Terminalia Ferdinandiana Fruit Extract, BHT, Sorbitan Isostearate, Sodium Hydroxide, Linalool, Alpha-isomethyl Ionone, Benzyl Cinnamate, BHA, Citric Acid, Sodium Citrate.
Get your products in up to two working days with DPD!
Orders under £35:
£2.99 2-4 day delivery
£3.99 Next Day Delivery (when ordered before 3pm)
Free UK shipping* for orders over £35 (ex VAT)
Shipping to Ireland:
Orders under £35 (ex VAT): £11.99
Free UK shipping* for orders over £95 (ex VAT)
The Serious Stuff:
- All orders are processed and packed Monday through Friday, excluding Bank Holidays.
- We try to process all orders the same day if placed before 1 pm BST; however, if your order has been placed after this time, it will leave Sienna X HQ the following working day.
- All UK based orders ship with DPD.
In the unlikely event, you need to return or exchange something, please find our Returns, Exchanges and Refunds Policy here.