Frankincense in skincare

Frankincense — also called olibanum — is the dried resin of Boswellia trees (Boswellia serrata in India, Boswellia carterii in the Horn of Africa, Boswellia sacra in Oman, others). Used for over 5,000 years across Egyptian, Mesopotamian, Persian, Greek, Roman, and Ayurvedic medical traditions. The active compounds — boswellic acids — are documented in modern dermatology for anti-inflammatory effects, skin firmness support, and astringent action.

WhollyKaw uses frankincense in its Anti-Aging Serum specifically for the combination of skin-tightening (astringent) action plus anti-inflammatory support — properties that complement the peptide and vitamin C activity in the same formula. This page covers what frankincense actually is, the specific boswellic acid compounds responsible for the effects, and the published evidence.

What frankincense is

Frankincense is the hardened resin (gum) that exudes from Boswellia trees when their bark is cut. The trees grow in arid regions of India, the Horn of Africa, Yemen, Oman, and Somalia. Harvesting involves making controlled incisions in the bark; the milky sap flows out and hardens into "tears" of resin over weeks. The tears are then collected and graded by quality, with the highest-grade Boswellia sacra (Omani frankincense) being among the most expensive aromatic resins in the world.

For skincare, frankincense is processed into:

• Essential oil (steam-distilled) — the aromatic fraction used for fragrance and topical applications.
• CO₂ extract — broader-spectrum extraction preserving more of the resin's bioactive compounds.
• Resinoid/absolute — solvent-extracted, used in fine fragrance.
• Standardized boswellic acid extracts — pharmaceutical-grade extracts standardized for boswellic acid content. Used in clinical research and high-end skincare.

Active compounds — the boswellic acids

• β-boswellic acid (β-BA) — most abundant; structural anti-inflammatory.
• Acetyl-11-keto-β-boswellic acid (AKBA) — the most-studied bioactive; potent 5-lipoxygenase inhibitor (anti-inflammatory).
• 11-keto-β-boswellic acid (KBA) — also anti-inflammatory via 5-LOX inhibition.
• α-boswellic acid (α-BA) — modest anti-inflammatory activity.
• Terpenes (α-pinene, β-pinene, limonene, α-thujene) — aromatic compounds; minor antimicrobial activity.

How frankincense works on skin

1. 5-LOX inhibition (anti-inflammatory)

The primary mechanism. AKBA and KBA inhibit 5-lipoxygenase (5-LOX) — the enzyme that converts arachidonic acid into leukotrienes (powerful inflammatory mediators). This is the same pathway targeted by some asthma and ulcerative colitis medications. Topically applied to skin, this 5-LOX inhibition reduces redness, swelling, and reactive irritation.

2. Astringent action

Boswellic acids and the resin's tannin content produce astringent effects on skin — gentle protein precipitation that creates a tightening sensation. This is the "skin-firming" effect frankincense is traditionally associated with. The effect is mild but real, particularly noticeable in toners and serums.

3. Anti-elastase activity

Recent cell-level research suggests boswellic acids inhibit elastase — the enzyme that breaks down elastin fibers in the dermis. By limiting elastin degradation, frankincense supports skin elasticity over time. The effect is modest but compounds with consistent use.

4. Antioxidant defense

The boswellic acids and terpenes provide modest antioxidant activity — neutralizing reactive oxygen species generated by UV exposure and normal cellular metabolism. Lower antioxidant load than vitamin C but contributes to overall skin protection.

5. Anti-microbial activity

The terpene fraction (α-pinene, limonene, etc.) provides mild antimicrobial activity against common skin bacteria. This is part of why traditional frankincense use included wound care.

The evidence — published research

Skincare uses

Anti-aging serums and creams

The combination of astringent action + 5-LOX inhibition + anti-elastase activity makes frankincense well-suited to anti-aging formulations. The "skin tightening" sensation is immediate; the underlying biology builds over months. WhollyKaw's Anti-Aging Serum pairs frankincense with peptides + vitamin C + turmeric for multi-mechanism anti-aging.

Eczema and reactive skin support

The 5-LOX inhibition mechanism is the same pathway targeted by some pharmaceutical eczema treatments. Topical frankincense reduces eczema-pattern inflammation in cell-level studies and limited clinical observations. Less-studied than centella or ectoin for this specific application, but the mechanism supports the use.

Scar reduction support

Traditional and modern observations suggest frankincense reduces scar appearance over consistent use. The combination of anti-inflammatory action during healing + collagen-organization support during remodeling is the proposed mechanism. Less-evidence-backed than centella for this use, but commonly combined with centella in scar-care formulations.

Fragrance carrier

Beyond active skincare, frankincense is a major fragrance ingredient — the warm, resinous, slightly citrusy note that anchors many "incense" and "amber" perfume compositions. The aromatic value of frankincense in cosmetic formulations is sometimes separate from the active dermatological effects.

What frankincense actually does (and doesn't)

What it does

• 5-LOX inhibition produces measurable anti-inflammatory effects on skin.
• Astringent action provides skin-tightening sensation and visible firming.
• Anti-elastase activity supports skin elasticity over months of consistent use.
• Modest antioxidant defense alongside other antioxidants.
• Mild antimicrobial activity via terpene fraction.
• Well-tolerated by most skin types with appropriate dilution.
• Carries a warm, sophisticated aroma that complements many product fragrances.

What it doesn't do

• Doesn't produce dramatic visible anti-aging quickly. Effects compound over 3-6 months; immediate results come from the astringent sensation, not actual structural change.
• Doesn't replace dedicated anti-aging actives. For visible wrinkle reduction, retinoids or peptides produce stronger, more measurable effects.
• Doesn't cure eczema or skin conditions. Useful adjunct for inflammation reduction but not a primary medical treatment.
• Essential oil form requires careful dilution. Pure frankincense essential oil can cause skin sensitization at high concentrations; cosmetic formulations use it at 0.1-2%.
• Quality varies meaningfully. High-grade Boswellia sacra (Omani) produces different (and stronger) effects than low-grade Boswellia papyrifera. Cosmetic-grade specifications matter.

Safety considerations

• Generally safe at cosmetic concentrations. Long traditional use; well-documented modern cosmetic safety.
• Essential oil dilution: pure frankincense essential oil should be diluted to 0.1-2% in carrier products. Higher concentrations can cause skin sensitization.
• Pregnancy: traditional use is broad, but some essential oil safety frameworks recommend avoidance in the first trimester due to limited safety data on concentrated topical applications. Standard cosmetic concentrations in finished products are typically considered safe.
• Allergic reactions: rare but possible. Patch test if you have known reactions to other resin-based ingredients (myrrh, copal, etc.).
• Sustainability: Boswellia trees are increasingly threatened by overharvesting and habitat loss in some regions. Sustainable sourcing matters — premium cosmetic suppliers typically certify their sourcing chains.

WhollyKaw products with frankincense

• Anti-Aging Serum — frankincense + peptides + vitamin C + turmeric + lecithin. Multi-mechanism anti-aging formula.

Frankincense also appears in some WhollyKaw fragrance compositions as a base or heart note; check individual scent-family pages for the aromatic context.

Related: Turmeric (curcumin) (often paired with frankincense) · Centella asiatica · Vitamin C.

Explore the WhollyKaw line

Beyond products that contain this ingredient — a small sample across the WhollyKaw catalog: