Ingredient Dictionary

Good

saccharide isomerate

Good water-binding agent and emollient for skin. Read More »

Categories: Skin-Identical/Repairing Ingredients, Emollients

Best

saccharides

See mucopolysaccharide

Categories: Skin-Identical/Repairing Ingredients

Average

Saccharomyces calcium ferment

Extract of yeast fermented in the presence of calcium ions. It has no known benefit for skin. Read More »

Categories: Miscellaneous

Average

Saccharomyces cerevisiae

Saccharomyces, from the Latin, literally means “sugar fungus,” and is the scientific name for the... Read More »

Categories: Skin-Identical/Repairing Ingredients

Average

Saccharomyces copper ferment

Extract of yeast fermented in the presence of copper ions. There is no known benefit for skin,... Read More »

Categories: Antioxidants

Average

Saccharomyces iron ferment

Extract of yeast fermented in the presence of iron ions. Read More »

Categories: Antioxidants

Good

Saccharomyces lysate

See yeast

Categories: Antioxidants

Average

Saccharomyces magnesium ferment

Extract of yeast fermented in the presence of magnesium ions. Read More »

Categories: Antioxidants

Average

Saccharomyces manganese ferment

Extract of yeast fermented in the presence of manganese ions. Read More »

Categories: Antioxidants

Average

Saccharomyces officinarum ferment

Derived from the sugarcane plant. Glycolic acid is also derived from sugarcane, but sugarcane... Read More »

Categories: Plant Extracts

Average

Saccharomyces potassium ferment

Extract of yeast fermented in the presence of potassium ions. Read More »

Categories: Antioxidants

Good

saccharomyces selenium ferment

An ingredient created by the fermentation of the Saccharomyces yeast with the mineral selenium. Read More »

Categories: Antioxidants

Average

Saccharomyces silicon ferment

Extract of yeast fermented in the presence of silicon ions. Read More »

Categories: Antioxidants

Average

Saccharomyces zinc ferment

Extract of yeast fermented in the presence of zinc ions. Read More »

Categories: Antioxidants

Best

safflower seed oil

Emollient plant oil similar to all nonfragrant plant oils. Safflower oil can be an antioxidant when... Read More »

Categories: Plant Extracts, Antioxidants, Emollients

Poor

sage extract

Aromatic plant used most often to enhance the flavor of foods. Like all plant extracts, sage... Read More »

Categories: Plant Extracts, Irritants

Good

salicin

See willow bark

Categories: Plant Extracts, Anti-Irritants

Best

salicylic acid

Referred to as beta hydroxy acid (BHA), it is a multifunctional ingredient that addresses many of... Read More »

Categories: Antibacterial/Anti-Acne, Leave-On Exfoliant, Anti-Irritants

Good

Salix alba extract

See willow bark

Categories: Plant Extracts, Anti-Irritants

Good

Salix nigra (willow) bark extract

See willow bark

Categories: Plant Extracts, Anti-Irritants

Poor

Salvia officinalis

See sage extract

Categories: Surfactants/Detergent Cleansing Agents, Plant Extracts, Thickeners/Emulsifiers

Good

Sambucus canadensis

See elderberry

Categories: Antioxidants, Plant Extracts

Good

Sambucus cerulea

Blue elderberry. May have antioxidant properties for skin (Source: Phytotherapy Research, February... Read More »

Categories: Plant Extracts, Antioxidants

Good

Sambucus nigra

See black elderberry

Categories: Plant Extracts, Antioxidants

Poor

sandalwood oil

Fragrant oil that can cause skin irritation or allergic reactions (Source: American Journal of... Read More »

Categories: Irritants, Plant Extracts, Fragrance: Synthetic and Fragrant Plant Extracts

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About the Experts

Paula Begoun is the best-selling author of 20 books on skin care and makeup. She is known worldwide as the Cosmetics Cop and creator of Paula's Choice. Paula's expertise has led to hundreds of appearances on national and international television including:

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The Paula's Choice Research Team is dedicated to helping you find the absolute best products for your skin, using research-based criteria to review beauty products from an honest, balanced perspective. Each member of the team was personally trained by Paula herself.

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