No products in the cart.: $0.00
Zinc Oxide
ORY® product lines:
☑ Skincare
☑ Haircare (limited: scalp sun protection and soothing; NOT a dandruff active)
☑ Handmade Soap
☑ Cosmetics — full dual-use ingredient
Zinc oxide is a white mineral powder with a rare combination of properties: it is a broad-spectrum physical sunscreen, an FDA-monograph skin protectant, an anti-inflammatory and antimicrobial agent, and a cosmetic pigment. Micronized zinc oxide provides better UVA protection than titanium dioxide [3], and the FDA has proposed it as one of only two sunscreen actives that are Generally Recognized as Safe and Effective (GRASE) at up to 25% [4]. Zinc is also essential to skin healing and immune function, which underlies zinc oxide’s long use in diaper-rash, wound, and eczema products [1]. Its opacity and mildness make it useful in handmade soap and mineral makeup. One important distinction: zinc oxide is not the same as zinc pyrithione, the dandruff active — a point customers frequently confuse.
What is Zinc Oxide made of?
Zinc oxide (ZnO) is an inorganic compound produced by oxidizing zinc metal or heating zinc ores. Grades matter:
- Non-nano (micronized, >100 nm): Preferred for “natural” positioning and for soap and body products; slightly whiter cast.
- Nano (<100 nm): More transparent on skin; extensive safety reviews indicate minimal penetration through intact skin [2].
- Coated grades (silica, dimethicone, triethoxycaprylylsilane): Improve dispersion in oils and reduce photoreactivity; used in sunscreens and cosmetics.
- Pharmaceutical (USP) vs. cosmetic grade: USP grade is required for OTC drug products (sunscreens, skin protectants).
What skin type is best suited for Zinc Oxide?
Zinc oxide is gentle enough for every ORY® skin type and is particularly valuable for reactive and blemish-prone skin:
- Sensitive: The preferred sunscreen filter for reactive, rosacea-prone, and post-procedure skin; anti-inflammatory and non-sensitizing.
- Acne-prone: Non-comedogenic mineral protection; mild antimicrobial and sebum-absorbing effects [1].
- Oily: Mattifying, oil-absorbing powder; ideal in tinted mineral SPF.
- Mature: Superior UVA protection helps prevent photoaging [3].
- Dry: Use in emollient sunscreen and barrier creams; pair with oils to avoid a drying feel.
- Combination: Tinted mineral sunscreens balance mattifying and moisturizing needs.
- Normal: Daily broad-spectrum protection.
What hair type is best suited for Zinc Oxide?
Zinc oxide’s role in haircare is narrow but real: protecting exposed scalps and calming irritation. It is not a dandruff treatment — that role belongs to zinc pyrithione, salicylic acid, or tea tree oil.
- Mature or thinning: Scalp sunscreen sprays, powders, and part-line sticks protect visible scalp from UV.
- Sensitive scalp: Soothing, protectant action in scalp balms for irritation.
- Straight and wavy: Fine, lightweight scalp SPF powders for exposed partings.
- Dandruff-prone scalp: Not a dandruff active — choose zinc pyrithione, salicylic acid, or tea tree oil in ORY® Haircare.
- Oily scalp, dry or damaged, curly, coily, color-treated: Limited role; scalp-protection products only.
What are the benefits of Zinc Oxide?
Zinc oxide offers a distinct set of well-documented benefits [1, 2, 3, 4]:
- Broad-spectrum UV protection: Reflects, scatters, and absorbs UVA and UVB; better UVA coverage than titanium dioxide [3].
- Skin protectant: FDA-monograph protectant that shields chapped, chafed, and irritated skin.
- Anti-inflammatory: Reduces redness; long used in diaper rash, eczema, and post-procedure care [1].
- Antimicrobial: Inhibits bacterial growth on the skin surface.
- Wound-healing support: Zinc is a cofactor for enzymes involved in tissue repair [1].
- Oil absorption and mattifying: Absorbs excess sebum; provides a matte finish in makeup.
- Opacity and whiteness: A natural pigment and opacifier in soap and cosmetics.
- Gentle: One of the least irritating sunscreen filters; approved for infants over 6 months.
Dual use across ORY® product lines
Zinc oxide is a mineral, so it is unaffected by soap pH or cosmetic processing, making it a true four-line ingredient — with the caveat that any SPF claim requires FDA OTC sunscreen testing and labeling.
Pros and cons of Zinc Oxide
Pros
Cons
- Broad-spectrum and photostable: Does not degrade in sunlight like some chemical filters.
- GRASE status: FDA-proposed safe and effective at ≤25% [4].
- Gentle and multifunctional: Sunscreen, protectant, anti-inflammatory, pigment.
- Reef-friendly positioning: Non-nano zinc oxide is permitted in jurisdictions that restrict oxybenzone and octinoxate.
- Stable in every ORY® line: Mineral; survives soap, heat, and pH.
- White cast: Especially non-nano grades on deeper skin tones; tinted versions solve this.
- Texture: Can feel heavy or drying at high loads without proper emollients.
- Regulatory burden for SPF: Any sunscreen claim makes the product an OTC drug requiring SPF testing, drug-facts labeling, and cGMP — custom “build-your-own” formulas cannot carry SPF claims.
- Nano debate: Consumer concerns persist despite favorable safety data [2].
- Inhalation: Loose powders and sprays should avoid inhalation of fine particles.
- Not a dandruff active: Customer confusion with zinc pyrithione.
What is the best application of Zinc Oxide?
Zinc oxide is used in leave-on protection and in mineral color products:
- Mineral sunscreen: Apply generously 15 minutes before sun exposure; reapply every 2 hours (OTC product).
- Tinted mineral SPF: Daily wear for sensitive and acne-prone skin, combining protection with light coverage.
- Barrier or protectant cream: 5–10% for chafing, windburn, minor irritation, or post-procedure skin.
- Soothing mask: 2–5% in clay masks for oily or blemish-prone skin.
- Scalp SPF: Powder or spray on partings and thinning areas before sun exposure.
- Mineral foundation and setting powder: Mattifying, oil-absorbing coverage.
- Soap: White, gentle bars for sensitive skin and babies.
- Pairing: Works with niacinamide, allantoin, bisabolol, and Centella in soothing products; combine with iron oxides to neutralize white cast.
Peer-reviewed references
- Gupta M, Mahajan VK, Mehta KS, Chauhan PS. Zinc therapy in dermatology: a review. Dermatology Research and Practice. 2014;2014:709152.
- Smijs TG, Pavel S. Titanium dioxide and zinc oxide nanoparticles in sunscreens: focus on their safety and effectiveness. Nanotechnology, Science and Applications. 2011;4:95–112.
- Pinnell SR, Fairhurst D, Gillies R, Mitchnick MA, Kollias N. Microfine zinc oxide is a superior sunscreen ingredient to microfine titanium dioxide. Dermatologic Surgery. 2000;26(4):309–314.
- U.S. Food and Drug Administration. Sunscreen drug products for over-the-counter human use; proposed rule. Federal Register. 2019;84(38):6204–6275. (Regulatory source.)
Disclaimer:
The information on this page is provided by ORY International, LC for educational purposes only. It summarizes published research and FDA rules about zinc oxide as an ingredient. It is not medical advice and does not replace advice from a dermatologist, physician, pharmacist, or other qualified healthcare provider.
OTC drug products: ORY® products labeled as sunscreens or skin protectants are over-the-counter drugs made and labeled under FDA rules. They are intended only for the uses stated on the Drug Facts label. Sunscreen alone does not prevent all sun damage; limit time in the sun and wear protective clothing.
Cosmetic products: ORY® products that contain zinc oxide without sunscreen or skin protectant claims, including soaps and makeup without an SPF label, are cosmetics. They do not provide sun protection and are not intended to diagnose, treat, cure, mitigate, or prevent any disease or condition, including rosacea, acne, eczema, diaper rash, or wounds.
Results vary. Zinc oxide is generally well tolerated, but any product can cause irritation, sometimes from other ingredients. Patch test cosmetic products and follow all label directions. If you are pregnant, nursing, have a medical condition, or are buying for a child, ask a healthcare provider before use. Research cited here describes zinc oxide in published studies, not ORY® products specifically.
ORY International, LC works to keep this page accurate and current but makes no warranty as to its completeness. To the fullest extent permitted by law, ORY International, LC is not liable for any loss or injury arising from reliance on this information or from use of any product contrary to its label directions. To report a reaction or side effect, contact us at [insert contact email / phone].
