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serum
Showing 49–60 of 110 resultsSorted by latest
The Ordinary Retinol 0.2% Serum 30Ml
Lactic Acid 5% + HA is a mild alpha hydroxy acid solution that offers gentle yet effective exfoliation targeted at the skin’s surface. It is supported with purified Tasmanian pepperberry extract , which has been shown to reduce irritation and sensitivity that can be associated with acid use. This water-based serum is ideal for dry and sensitive skin. This pH of this formula is approximately 3.8. Lactic Acid has a pKa of 3.8 and pKa is the most important aspect to consider in formulating with acids. pKa implies acid availability. When pKa is close to pH, there is an ideal balance between salt and acidity, maximizing effectiveness of the acid and reducing irritation
The Ordinary Lactic Acid 5% Ha 30Ml
Lactic Acid 5% + HA is a mild alpha hydroxy acid solution that offers gentle yet effective exfoliation targeted at the skin’s surface. It is supported with purified Tasmanian pepperberry extract , which has been shown to reduce irritation and sensitivity that can be associated with acid use. This water-based serum is ideal for dry and sensitive skin. This pH of this formula is approximately 3.8. Lactic Acid has a pKa of 3.8 and pKa is the most important aspect to consider in formulating with acids. pKa implies acid availability. When pKa is close to pH, there is an ideal balance between salt and acidity, maximizing effectiveness of the acid and reducing irritation
The Ordinary Niacinamide 10% Zinc 1% 30Ml
Niacinamide 10% + Zinc 1% formula is a water-based serum that boosts skin brightness, improves skin smoothness and reinforces the skin barrier over time. It contains a high 10% concentration of Niacinamide (vitamin b3) and zinc PCA.
Note: Niacinamide and Zinc PCA is not a treatment for acne. For persistent acne-related conditions, we recommend speaking to your health care provider regarding treatment options. This formulation can be used alongside acne treatments if desired for added visible skin benefits.
