Lactic Acid is an alpha hydroxy acid that exfoliates
the skin. This 10% formulation offers mild exfoliation and is supported
with a purified Tasmanian pepperberry known to reduce signs of
inflammation and sensitivity that is often associated with exfoliation.
This
formula contains a studied Tasmanian Pepperberry derivative to help
reduce irritation associated with acid use. This derivative is of plant
origin.
Contraindications:
Lactic Acid should not be used on sensitive, peeling or compromised
skin. Please refer to additional sun protection note and other warnings
in provided Directions.
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.
Higher pH numbers in such a case would increase salt which
counter-intuitively would make the formula even more irritating than if
the formula was more acidic.
Note: While Lactic Acid can result
in quick visible benefits, we generally suggest indirect forms of skin
exfoliation in favour of direct forms such as this formula due to
potential inflammation and sensitivity associated with acids. Please
refer to NIOD's Non-Acid Acid Precursor for such a reference.
Specifications
Key Features
Apply once per day, ideally in the PM. Can be diluted with other
treatments to reduce strength until skin develops tolerance. Do not use
on sensitive, peeling or compromised skin. Avoid contact with eyes.
Contact of the product with the skin must be of limited frequency or
duration. If irritation occurs, cease use and consult a physician. Use
only as directed on unbroken skin. Patch testing prior to use is
advised. Keep out of reach of children. Sunburn Alert: This product
contains an alpha hydroxy acid (AHA) that may increase your skin's
sensitivity to the sun and particularly the possibility of sunburn. Use a
sunscreen, wear protective clothing, and limit sun exposure while using
this product and for a week afterwards.
Sunburn Alert: This
product contains an alpha hydroxy acid (AHA) that may increase your
skin's sensitivity to the sun and particularly the possibility of
sunburn. Use a sunscreen, wear protective clothing, and limit sun
exposure while using this product and for a week afterwards.
Apply a small amount of the product onto a clean area of skin on the upper forearm.
Keep the area dry.
If the product has a specified duration of use, rinse off after this time has elapsed. Otherwise rinse off after 24 hours.
If any redness, burning, itching, blistering or irritation is observed at any time throughout the test, do not use the product.