CALMING BIRCH SERUM
CALMING BIRCH SERUM
Clinically proven to reduce skin redness within 7 days of use. Lightweight sustained hydration. Dries to a matte finish. Dermatologist tested. Non-comedogenic. Hypoallergenic.
It is suitable for stressed, reactive skin lacking moisture and is useful at soothing skin post-procedure. Leaves skin nourished and cool with a dewy look. Aurum's calming birch serum offers soothing nourishment for dehydrated and reactive skin. ... Once applied, skin feels hydrated and smooth with a slight matte finish.
AWARD-WINNING PREBIOTIC NOURISHMENT FOR INFLAMED, ATOPIC AND ACNE PRONE SKIN.
Apply twice a day to face and neck after cleansing.
Betula Neoalaskana (Birch) Extract, Squalane, Epilobium Angustifolium (Canadian Willowherb) Flower/Leaf/Stem Extract, Glyceryl Stearate Citrate, Melibiose, Betaine, Levan, Raffinose, Aqua, Glyceryl Stearate, Gluconolactone, Acacia Senegal Gum Extract, Sodium Hyaluronate, Levulinic Acid, Sodium Salicylate, Xanthan Gum, Hinokitiol, p-Anisic Acid, Sodium Phytate. [ pH 4.2 - 4.4 ]
Power of hydrogen, a term more commonly known as pH, is the measure of how concentrated hydrogen ions are in a solution. Neutral pH, like that of distilled water measures a 7. Anything below pH 7 is considered acidic; anything above is alkaline (or basic). For context, lemon juice is highly acidic with a pH of 2.2 while baking soda is alkaline with a pH of 9. (Two ‘natural’ products not meant for your face by the way, no matter what Pinterest tells you).
In 1928, scientists A. Marchionini and H. Schade developed a method to prove the skin naturally secretes a thin film, they termed the acid mantle, to protect against external threats. This film is left over after sweat evaporates and consists of oils, amino acids and other components of the skin’s own natural moisturising factor. The pH of the acid mantle is generally close to 4.7 but varies from person to person and increases as we age.
Maintaining a gently acidic pH is critical to proper skin barrier function. Skin barrier formation relies heavily on pH dependent enzymes and a very close relationship exists between skin surface pH and the maintenance of healthy flora. When judging by the parameters of barrier function and moisturization, skin with pH values below 5 consistently demonstrates better overall condition. Abnormally high acid mantle pH is present in skin conditions like atopic dermatitis, acne, rosacea and malassezia.
Washing with water (pH 7 – 8.5) and soap (pH 9 – 10) causes a temporary increase in the surface pH of skin. For most, this returns to normal within a few hours. However, increased skin surface pH and a weakened ability to buffer against alkalizing agents is associated with aging and individuals with sensitive skin. In these cases, the application of gently acidic products (pH ≃ 4) is suggested to improve skin barrier integrity and moisturization.
Despite this, many commercial skincare products are formulated at pH levels of 6 and higher to support the use of synthetic thickeners (carbomer and crosslinked acrylate copolymers). What's worse, the closer formulations are to neutral pH, the higher the preservative level required to maintain product safety; another key issue for consumers with skin sensitivities.
In support of informed skincare purchasing decisions, Aurum lists the pH of each product along with full ingredients here.
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