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A compound used in cosmetics in small quantities primarily as a pH adjuster.
Highly alkaline and potentially sensitising mineral used in cosmetics...
This naturally occurring alkaline compound poses a strong risk of sensitizing skin.
Controversial ingredient for skin because research has shown conflicting results. It seems to offer an initial benefit that improves skin firmness, but these results are short-lived and eventually give way to destruction of the substances in skin that help keep it firm.
Also known as lye, a highly alkaline ingredient used in small amounts in cosmetics.
Also known by the acronym HEPES, hydroxyethylpiperazine ethane sulfonic acid is a buffering ingredient typically used to establish a neutral pH in water-based solutions.
This inorganic salt is used in cosmetics to help increase a product’s viscosity.
Clear, colourless liquid used in cosmetics to adjust a product's pH level.
Preservative and buffering agent used in cosmetic formulations to help prolong shelf life and balance the pH of formulas.
pH adjusting ingredient used to help neutralize acidic formulas and ingredients.
A synthetic inorganic salt more commonly known as baking soda. It has many functions in cosmetics, including pH adjuster, buffering agent, and abrasive, such as in face or body scrubs.
Also known as lye, this ingredient is highly alkaline, meaning it is on the basic side of the pH range (its pH is naturally 13). It is used in small amounts in cosmetics (such as cleansers and exfoliants) adjust their pH.
Used in cosmetics as a pH balancer. Like all amines, it has the potential for creating nitrosamines.
A “behind-the-scenes” ingredient commonly used as a buffering agent/pH adjuster. It also helps prevent the rusting of metals used in cosmetic packaging.
Proven and supported by independent studies. Outstanding active ingredient for most skin types or concerns.
Necessary to improve a formula's texture, stability, or penetration.
Generally non-irritating but may have aesthetic, stability, or other issues that limit its usefulness.
There is a likelihood of irritation. Risk increases when combined with other problematic ingredients.
May cause irritation, inflammation, dryness, etc. May offer benefit in some capability but overall, proven to do more harm than good.
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We have not yet rated this ingredient because we have not had a chance to review the research on it.