Frankincense oil is a versatile skincare ingredient that reduces inflammation, fights acne-causing bacteria, supports cell turnover, and helps fade scars. Extracted from the resin of Boswellia trees, it contains compounds called terpenoids and boswellic acids that give it measurable anti-inflammatory and skin-repairing properties. Whether you’re dealing with breakouts, fine lines, or uneven skin tone, frankincense offers real benefits, though the results depend partly on which type you use and how you apply it.
How Frankincense Works on Skin
The active compounds in frankincense oil do several things at once. Alpha-pinene, linalool, and 1-octanol suppress the same inflammatory pathway that many over-the-counter pain relievers target. This is why frankincense calms redness, irritation, and swelling so effectively. Boswellic acid, the most studied compound in frankincense resin, promotes healthy cell death of damaged cells while supporting the regeneration of new ones.
On a practical level, this translates to faster skin repair and a more even complexion over time. Frankincense also has natural astringent properties, meaning it tightens pores and helps control oil production. That combination of anti-inflammatory, antimicrobial, and astringent activity is what makes it useful across so many different skin concerns.
Acne and Oily Skin
Frankincense oil directly targets two root causes of acne. Its antimicrobial properties kill Propionibacterium acnes, the bacterium most responsible for inflammatory breakouts. At the same time, its astringent effect reduces excess sebum production, which means fewer clogged pores in the first place.
For oily skin types, this is a particularly useful combination. Many anti-acne ingredients strip the skin or cause dryness, which triggers even more oil production. Frankincense tightens pores and controls oil without that harsh drying effect, making it a gentler option for managing shine and preventing new blemishes.
Fine Lines and Aging
Frankincense supports healthy cell turnover, which slows naturally as you age. Faster cell turnover means fresher skin reaches the surface more quickly, which improves texture, reduces the appearance of fine lines, and helps repair accumulated sun damage. The oil also supports collagen production and improves elasticity, both of which decline significantly after your 30s.
You won’t see overnight results. Consistent use over several weeks is typically needed before fine lines soften and skin tone becomes more even. Frankincense works best as part of a broader routine that includes sun protection, since UV damage is the single biggest driver of premature skin aging.
Scars and Wound Healing
Frankincense has a long history of use in wound care, and the mechanism is straightforward: it speeds up skin cell regeneration while reducing the inflammation that can lead to excessive scar tissue. The oil improves both skin tone and elasticity around healing wounds, which helps scars flatten and blend with surrounding skin more quickly.
For post-surgical scars or acne marks, frankincense can make scars less noticeable over time. It pairs well with rosehip and lavender oils, which work through complementary pathways. The anti-inflammatory and antibacterial properties also help wounds heal faster and with less risk of infection during the early stages, when scarring patterns are being established.
Serrata vs. Carterii: Choosing the Right Type
Not all frankincense oil is the same. The two most common species used in skincare, Boswellia serrata and Boswellia carterii, have meaningfully different chemical profiles and are better suited to different skin types.
Serrata contains higher concentrations of a compound called AKBA, one of the most potent natural anti-inflammatories known. It produces a lighter, less viscous oil that absorbs quickly. This makes it the better choice if you have oily or acne-prone skin, deal with frequent redness or irritation, or want the strongest anti-inflammatory effect.
Carterii has a richer monoterpene profile, including higher levels of alpha-pinene and limonene, which contribute to its regenerative properties. The oil is slightly thicker and provides deeper moisture. It excels at collagen support, scar healing, and soothing sensitive skin. If you have dry or mature skin, or your primary concern is fine lines and loss of firmness, carterii is the better fit.
Here’s how they compare across specific concerns:
- Acne and blemishes: Serrata is excellent, carterii is good
- Anti-aging and collagen: Carterii is excellent, serrata is moderate
- Anti-inflammatory strength: Serrata is stronger due to higher AKBA
- Hydration: Carterii provides deeper moisture
- Scar healing: Carterii is excellent, serrata is good
- Sensitivity soothing: Carterii is excellent, serrata is good
How to Use It Safely
Frankincense is an essential oil, which means it should be diluted in a carrier oil (like jojoba, argan, or rosehip) before applying it to your skin. A common ratio is 2 to 3 drops of frankincense per teaspoon of carrier oil. You can also look for serums and moisturizers that already contain it at appropriate concentrations.
Allergic reactions to frankincense are rare but not impossible. Published case reports of allergic contact dermatitis have occurred almost exclusively in aromatherapists with heavy, repeated exposure. One documented case involved a woman who developed itchy, eczema-like patches on her chest, neck, arms, and face after prolonged use of undiluted frankincense oil. A patch test confirmed a strong allergic reaction to the oil itself.
To minimize risk, do a patch test before using any new frankincense product. Apply a small amount of your diluted mixture to the inside of your forearm and wait 24 hours. If you see redness, itching, or raised skin, discontinue use. People with known sensitivities to tree resins or other essential oils should be especially cautious. Frankincense is not considered photosensitizing the way citrus oils are, so it’s generally safe to wear during the day, though pairing it with sunscreen is always a good idea.