Beauty ingredients explained in plain English

Tetrapeptide-5 is a gentle, lab-made peptide that may help firm skin and reduce under-eye puffiness, but results are subtle and not instant.

Tetrapeptide-51 is a lab-made peptide that may help firm and smooth skin by supporting collagen, but research is still early.

Tetrapeptide-52 is a lab-made peptide that may help support collagen and improve skin firmness, but research is still early.

Tetrapeptide-53 is a lab-made peptide that may help support collagen and firmness, but research is still early and results vary.

Tetrapeptide-54 is a synthetic peptide that may help support collagen and improve skin firmness, but research is still early.

Tetrapeptide-55 is a lab-made peptide that may help support skin firmness and reduce the look of fine lines, but research is still early.

Tetrapeptide-56 is a lab-made peptide that may help support skin firmness and reduce fine lines, but research is still early and it's less studied than more common peptides.

A newer synthetic peptide that may help improve skin firmness and smoothness, but research is still limited.

Tetrapeptide-57 is a lab-made peptide that may help support collagen and improve skin firmness, but research is still emerging.

A synthetic peptide that may help improve skin firmness and reduce wrinkles, but research is still early.

Tetrapeptide-58 is a lab-made peptide that may help improve skin firmness and smooth fine lines, but research is still limited compared to more established peptides.

A synthetic peptide that may help firm skin and soften lines, but research is still early and results vary.

Tetrapeptide-59 is a lab-made peptide that may help support collagen production and improve skin firmness, but research is still early.

A synthetic peptide that may help firm skin and soften fine lines, but human studies are still limited.

Tetrapeptide-6 is a gentle, lab-made peptide that may help reduce under-eye puffiness and dark circles by supporting microcirculation and soothing the skin.

Tetrapeptide-61 is a lab-made peptide that may help support skin firmness and reduce fine lines, but research is still early and results vary.

Tetrapeptide-62 is a lab-made peptide that may help support collagen production and improve skin firmness, but research is still early.

A lab-made peptide duo that may help firm skin and soften lines, but research is still early.

Tetrapeptide-63 is a lab-made peptide that may help support skin structure and reduce signs of aging, but research is still early.

A lab-made peptide that may help improve skin firmness and smooth fine lines, but research is still early.

Tetrapeptide-64 is a lab-made peptide that may help support collagen and firmness, but research is still early and results vary.

Tetrapeptide-65 is a lab-made peptide that may help support collagen and firm skin, but research is still early and results vary.

Tetrapeptide-67 is a promising synthetic peptide that may help improve skin firmness and reduce fine lines, but research is still early and results vary.

Tetrapeptide-67 Dimer is a lab-made peptide that may help support collagen and improve skin firmness, but research is still early.

A gentle, research-backed peptide that calms skin inflammation and supports collagen for a smoother, more resilient complexion.

A lightweight silicone that gives a silky, non-greasy feel to products, but offers no active skin benefits.

A behind-the-scenes helper that protects your skincare formulas from metal contamination, keeping them effective and stable.

A behind-the-scenes helper that boosts cleansing power and prevents mineral buildup, but is generally safe in rinse-off formulas.

A gentle, antioxidant-rich microalgae extract that helps soothe and protect the skin from environmental stress.

A gentle, sulfate-free surfactant that cleanses effectively with low irritation potential, ideal for sensitive skin.

A gentle, biodegradable chelating agent that protects your skincare formulas from metal contamination without the harshness of older alternatives.

A mild, amino-acid-based surfactant that cleanses without stripping the skin barrier.

Tetrasodium EDTA is a safe, widely used chelating agent that helps your skincare products stay stable and effective by neutralizing hard water minerals.

A gentle chelating agent that helps preserve product freshness and boosts the effectiveness of other ingredients by binding to unwanted metals.

A gentle, biodegradable alternative to EDTA that protects your skincare formulas from metal-induced degradation.

A gentle, biodegradable chelating agent that boosts formula stability and skin feel without the concerns associated with traditional EDTA.

A behind-the-scenes helper that keeps your products stable and effective by binding unwanted minerals.

A gentle, water-soluble antioxidant derived from citrus that helps calm skin and fight free radical damage.

A gentle botanical extract with antioxidant potential, but research on its skincare benefits is still limited.

Teupolioside is a gentle plant antioxidant that may help calm skin and defend against environmental stress, though research is still early.

Texas cedarwood oil adds a warm, woody scent to skincare but can be irritating for sensitive skin if used at high concentrations.

A gentle, antioxidant-rich plant extract that may help soothe and protect skin, but research is still emerging.

A gentle, algae-derived extract that may help protect skin from environmental stress and support hydration, though research is still early.

A gentle marine extract that helps hydrate and calm the skin, with promising antioxidant potential.

A gentle marine algae extract that helps hydrate skin and protect against environmental stress, though research is still emerging.

A gentle, antioxidant-rich marine ferment that helps hydrate and protect the skin, but research is still emerging.

A gentle lichen extract with antioxidant potential, but research is still early and benefits are not yet proven in humans.

A natural sweetener and mild antioxidant from a West African fruit, used mainly for flavor in lip products rather than for skin benefits.

Theanine is a gentle, calming amino acid that helps soothe stressed skin and fight environmental damage.

A gentle fern extract that may help protect skin from environmental stress, but research is still early.

A synthetic antioxidant that may help protect skin from environmental stress, but research is still limited compared to more established ingredients.

A gentle antioxidant from cacao that may help soothe skin and support a firmer appearance.

Theophylline may temporarily tighten skin and improve circulation, but results are modest and it can cause irritation for sensitive skin.

A gentle, biotech ingredient from heat-loving bacteria that may help calm irritation and support the skin barrier.

A biotech peptide blend that may help support skin firmness and resilience, though human studies are limited.

A biotech peptide from an extremophile microbe that may help skin cope with environmental stress, but human research is still limited.

A gentle enzyme exfoliant from a heat-loving microbe that helps soften and smooth skin without harsh scrubbing.

Thiabendazole is an effective preservative but is rarely used in modern skincare; it may cause sensitivity in some individuals.

A gentle, fat-soluble form of vitamin B1 that may help calm skin and support antioxidant defenses, though research in cosmetics is still limited.

A bioactive form of vitamin B1 that may help protect skin from oxidative stress and support a healthy-looking complexion, though research in topical skincare is still emerging.