Ultralase 15 Serum

  • Ultralase 15 Serum
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Our 15% Mandelic Acid serum is expertly formulated with natural prebiotics, hydrating polysaccharides and Gylcoin®, a naturally derived stress protection molecule. Our 15% Mandelic Acid serum is a leave-on treatment that offers all the benefits of acid-based skincare without the need for complicated peel procedures or unsightly flaking. Simply apply the serum last thing at night and experience the benefits of a more even skin tone and a clearer, brighter complexion. Regular application of mandelic acid has been shown to fade melasma, reduce visible fine lines and improve the appearance of acne-prone skin. Our 15% mandelic acid serum has a ph of 3.5. It contains no silicones and is preserved with gentle Ecorcert™ preservative system.

About Our Mandelic Acid Range:

Ishtar Skinlights is the company that bought Mandelic Acid to the UK. Our mandelic acid products are designed to trigger optimum skin renewal  using natural ingredients.

Extra Info:

Long term use of mandelic acid, an Alpha Hydroxy Acid found in the bitter almond,  stimulates deep level skin renewal. It can fade unsightly marks, diminish acne and refine skin texture.   Mandelic acid has proven anti-ageing and antibiotic properties making it an excellent choice for adult acne sufferers. Unlike Glycolic Acid, Mandelic Acid is considered safe for use on darker skin as it carries a low risk of causing pigmentation issues.

It is not necessary to visibly peel to gain all the benefits of Mandelic Acid. The aim is to stimulate ongoing deep level skin renewal without creating stress. This achieves better, more consistent results than a one-off strong peel.

  • Leave on Formula is Safe and Easy to Apply
  • Treats Acne and Blemish Prone Skin
  • Fades Hyperpigmentation
  • Improves Skin Texture
  • Increases Cell Turnover (Exfoliates)
  • No Downtime
  • Results in Days
  • Hydrating Serum Base with prebiotics & Glycoin®
  • Not tested on animals, Vegan and formulated with Ecocert preservatives.


For people who have not used acid products before, we recommend applying Ultralase15 once a week after cleansing at night. Sensitive skins can apply a moisturiser before applying the serums to slow down the delivery of the acid. Do not apply to open lesions.

After 2-3 weeks it is possible to increase usage to twice a week if there are no signs of visible peeling or irritation. Not all skin types will need this level of exfoliation, but human-based trials show great results in treating acne and melasma at this frequency. If there are signs of visible peeling simply drop frequency down again.

Each bottle contains 30ml (approximately 8-10 weeks supply if used 2 x weekly)

As with all AHA treatments, it is advisable to use a good SPF to protect the skin from UV rays. Exfoliation will increase UV penetration. Also, if you are treating hyperpigmentation, sun exposure will reactivate pigment release and prevent effective treatment, so it is especially important to protect these areas from UV.

Skin Type:

Uneven skin tone and texture, congested, acne/blemish-prone skin. The 15% treatment is the strongest mandelic acid treatment that we stock and is ideal for occasional treatments on skin already acclimatised to acid-based skincare. A 10% treatment is also available in our shop.


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INCI: Aqua, Mandelic Acid, Isopentyldiol, Saccharide Isomerate, Arabinogalactin, Caesalpinia Spinosa Seed Extract, Glycoin, Lactobaccilus Ferment, L-Arginine, Amorphophallus Konjac Root Extract, Hydrolyzed Glycosaminoglycans, Phenethyl Alcohol, Tetrasodium Glutamate Diacetate, Benzyl Alcohol, Dehydroacetic Acid, Sorbic Acid, Benzoic Acid.