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Skincare Ingredient

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Zinc Gluconate

In Skincare: Is Zinc Gluconate Safe? Comedogenic Rating & Side Effects

Safety (overall safety)
2/5 — Low risk
Irritancy (skin irritation)
1/5 — Very low risk

Safety Information

Generally low toxicity and not known to be carcinogenic or endocrine-disrupting; may cause mild irritation in sensitive skin at higher concentrations.

Key Benefits

What Zinc Gluconate does for your skin

1 benefits
Hydration

Overview

Ingredient Profile

Zinc gluconate is a synthetic ingredient, formed from glucose and zinc, that functions as a preservative in cosmetics. It's considered safe for topical use and is also found in oral supplements, such as cold lozenges. Research suggests that oral zinc gluconate may have a role in managing acne, though further investigation is needed to compare its efficacy with other treatments.
Classifications
Humectant
Preservative

Data & Research

Scientific Facts

Gluconic acid and its derivatives are naturally occurring substances. In mammals, gluconic acid is an intermediate in carbohydrate metabolism and gluconate is a metabolite of glucose oxidation, produced naturally within the body. Estimates suggest approximately 450 mg of gluconate is produced per day by a 60 kg person.

Common Uses

Formulation in Zinc Gluconate

Gluconolactone and its derivatives (including zinc gluconate) are used for their buffering, humectant, and skin-conditioning properties.

Role of Zinc Gluconate

Active Cosmetic Mechanisms

ANTIMICROBIAL

Germ Fighter

Inhibits the growth of bacteria, fungi, and other microorganisms

SCIENTIFIC ANALYSIS

// Evidence: Antimicrobial agents possess bactericidal, bacteriostatic, fungicidal, or fungistatic properties through disrupting cell membrane integrity, inhibiting protein synthesis, interfering with metabolic pathways, or damaging DNA/RNA. Common antimicrobials include quaternary ammonium compounds, alcohols, chlorhexidine, triclosan, and essential oils. Efficacy depends on concentration, pH, contact time, and microbial load.

DEODORANT

Odor Neutralizer

Masks or neutralizes body odor

SCIENTIFIC ANALYSIS

// Evidence: Deodorants combat body odor through antimicrobial action against odor-causing bacteria (Corynebacterium, Staphylococcus), odor absorption/adsorption, enzymatic inhibition, or masking with fragrance. Active ingredients include antimicrobials, odor absorbers (zinc ricinoleate, cyclodextrins), and fragrances. They prevent bacterial conversion of sweat components into volatile malodorous compounds without reducing sweat volume.

ORAL CARE

Dental Health Agent

Maintains or improves oral hygiene and dental health

SCIENTIFIC ANALYSIS

// Evidence: Oral care ingredients support dental health through fluoride compounds (stannous fluoride, sodium fluoride for remineralization), antimicrobials (triclosan, CPC), abrasives (silica for cleaning), and desensitizing agents (potassium nitrate, strontium chloride). Mechanisms include strengthening enamel through fluorapatite formation, reducing bacteria, removing stains, and blocking dentinal tubules. Must meet specific efficacy and safety standards.

SKIN CONDITIONING

Skin Enhancer

Maintains skin in good condition and improves its feel

SCIENTIFIC ANALYSIS

// Evidence: Skin conditioning ingredients enhance appearance, texture, and health of skin through various mechanisms. This broad category encompasses emollients, humectants, occlusives, and other agents that improve skin feel, appearance, and function. May work by moisturizing, smoothing, softening, or protecting skin. Effects include improved tactile properties, enhanced barrier function, and better overall skin condition.

Products

containing Zinc Gluconate

1310 formulations
Blue Heart Crème de la Mer
Blue Heart Crème de la Mer
La Mer · moisturizer
Multi-Action Overnight Intensive Firming Mask
Multi-Action Overnight Intensive Firming Mask
Perricone MD · masks
Intensive 7 Days Hydrating Lotion With Aloe
Intensive 7 Days Hydrating Lotion With Aloe
Garnier · body-skincare

References

Scientific sources

[1]

Cosmetic Ingredient Review, September 2018, pages 1-62

[2]

Dermatology Research and Practice, July 2014, ePublication

[3]

European Journal of Dermatology, June 2000, pages 269-273

Semantic Analysis

Similar Ingredients

Ingredients with similar chemical profiles and skincare properties.

Frequently Asked Questions

Zinc Gluconate — common questions

What is Zinc Gluconate in skincare?

Zinc gluconate is a salt formed from the reaction of zinc and glucono-delta-lactone (also known as gluconolactone). Gluconolactone is a white, odorless crystalline powder produced by removing water from gluconic acid, which itself is a carboxylic acid. Gluconic acid and its salts are naturally occurring substances found in mammals, where they play a role in carbohydrate metabolism.

What does Zinc Gluconate do? / Functions of Zinc Gluconate?

Common functions: ANTIMICROBIAL, DEODORANT, ORAL CARE, SKIN CONDITIONING.

What is the comedogenic rating of Zinc Gluconate? / Is Zinc Gluconate comedogenic?

The comedogenic rating of Zinc Gluconate has not been established in our database.

Does it clog pores?
No Rating Available

Whether Zinc Gluconate clogs pores depends on the formulation and concentration.

Is Zinc Gluconate safe for skin?
2 2/5 — Low risk

Zinc Gluconate has a safety rating of 2 out of 5. A rating of 2 means it is generally considered safe for most skin types. Note: Generally low toxicity and not known to be carcinogenic or endocrine-disrupting; may cause mild irritation in sensitive skin at higher concentrations.

Is Zinc Gluconate good for sensitive skin?
1 1/5 — Very low risk

Zinc Gluconate has an irritancy rating of 1 out of 5. A rating of 1 means it is generally well-tolerated.

What are the side effects of Zinc Gluconate in skincare?

Known considerations: Generally low toxicity and not known to be carcinogenic or endocrine-disrupting; may cause mild irritation in sensitive skin at higher concentrations.

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