Explore breakdowns of the skincare ingredients featured in our personalised Renude routines. Learn their benefits, functions, and who they're suitable for.
Azelaic Acid
Azelaic acid is found naturally in grains such as barley, wheat and rye, but can also be produced commercially in the lab. It has several benefits in skincare including as an anti-inflammatory, with evidence showing great results in treating rosacea symptoms (swelling & redness) via this mechanism. Azelaic also has an anti-blemish activity - firstly, it is an antibacterial which works to kill acne-causing bacteria, P.Acnes. Secondly, it prevents pores becoming blocked by the skin’s natural shedding process, which makes it harder for this bacteria to populate inside the pore to cause a blemish (it needs an oxygen-free environment to thrive). Studies have also shown azelaic acid to inhibit melanogenesis (production of melanin), so also has benefits in treating hyperpigmentation and post-inflammatory acne scarring. It has good skin tolerability, so can be used to treat more sensitive skin types in concentrations of around 10%. It is a family of ingredients, the other ingredient including Potassium Azeloyl Diglycinate.
Allantoin
Allantoin occurs naturally in the body, but can also be derived from the root of the Comfrey plant or Chamomile, or produced synthetically. It is used in skincare for its ability to promote wound healing and healthy tissue growth, helping in the production of collagen and elastin fibres. Allantoin has also been shown to have soothing and anti-irritant properties, which is thought to be down to its ability to form complexes with irritating agents, thus preventing them from activating inflammatory mechanisms within the skin.
Oat extract is known to have soothing, anti-inflammatory effects in the skin, and is a popular active for treating symptoms of dry skin. It also has antioxidant properties so is able to protect the skin against free radicals caused by pollution and UV. It can also be known as avena sativa (oat) kernel extract, avena sativa (oat) kernel flour, avena sativa (oat) kernel oil, colloidal oatmeal and hydrolyzed oat protein.
Thiamidol
An anti-pigment active discovered by Eucerin after researching the effect of 50,000 different compounds on their ability to inhibit human tyrosinase (which is involved in producing melanin, our skin’s pigment). Clinically proven to visibly reduce hyperpigmentation with just 2 weeks of use.
Potassium Azeloyl Diglycinate
Potassium Azeloyl Diglycinate (PAD) is a water-soluble derivative of azelaic acid which conveys many of the same benefits as pure azelaic acid. It is a gentle anti-inflammatory so is suitable for sensitive skin, and is able to improve rosacea and acne symptoms, as well as fading pigmentation left from acne.
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