Beyond Bakuchiol: Cacay Oil for Anti-Aging and Skin Repair

AMAZONIAN OILS / FORMULATION INSIGHT

Is Cacay oil a clinically documented anti-aging and reparative active for natural beauty formulations?

Yes, and with the data to back it up. Cacay oil (Caryodendron Orinocense Seed Oil) contains 64.6 to 76.6% linoleic acid (Omega 6), 343 mcg/100 g of natural retinol and 85 mg/100 g of Vitamin E (HPLC analysis, ISO 14565 standard). A clinical study run on 20 women over 28 days demonstrated wrinkle reduction up to 45%, firmness +41%, hydration +39% and smoothness +30%, with zero irritation reported across 50 subjects including sensitive skin, eczema and allergic profiles. This article lays out the technical profile, the vitamin content compared to Argan and Rose Hip, the clinical evidence measured by PRIMOS® and Cutometer, the head-to-head comparison with Argan oil in haircare (49% vs 29% thermal protection at 230 °C), and the formulation framework.

Rich in Omegas & Vitamins
Clinically Proven Results
Gentle on Sensitive Skin
Superior Hair Protection

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Cacay clinical study: 95% of participants saw wrinkle reduction after 4 weeks, PRIMOS® 3D before/after image

20 women, ages 36 to 65, twice-daily application for 28 days. Measurements with PRIMOS® 5.7 high-res, Cutometer, Corneometer.

Primegreen holding Cacay seeds in a greenhouse setting

Cacay oil technical profile

The scientific case for Cacay rests on one number: its linoleic acid (Omega 6) content peaks at 64.6 to 76.6% of the total fatty acid profile. That is the highest level among Amazonian botanical oils currently used in cosmetics.

Linoleic acid is the central building block of the skin barrier: it fuels endogenous ceramide synthesis, and supplementing it through formulation is associated with the restoration of the stratum corneum’s lipid matrix. This is mechanistically what the clinical study described later in this article measures.

Specification	Cacay value (Primegreen TDS, July 2025)
INCI	Caryodendron Orinocense Seed Oil
Origin	Colombia (wild harvested + agroforestry)
Extraction	Cold pressed, 100% pure unrefined
C18:2 Linoleic Acid (Omega 6)	64.6 to 76.6%
C18:1 Oleic Acid (Omega 9)	11.0 to 19.7%
C18:3 Linolenic Acid (Omega 3)	1.8 to 2.8%
C16:0 Palmitic Acid	5.5 to 6.9%
C18:0 Stearic Acid	2.6 to 4.5%
Iodine index (gI₂/100 g)	120.5 to 166.4
Density (20 °C)	0.902 to 0.938 g/ml
Saponification index	159.6 to 211.5 mgKOH/g
Peroxide value	< 15 meqO₂/kg
Refractive index (20 °C)	1.470 to 1.479
Shelf life	36 months (cool, dark, dry)

Regulatory guarantees: COSMOS-compatible (RM questionnaire available), REACH-compliant, vegan, GMO-free, Natural Index ISO 16128 = 1 / Natural Origin Index = 1, heavy metals < 0.1 mg/kg, Nagoya Protocol does not apply (no genetic resources extracted within the meaning of the protocol).

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Vitamin A and Vitamin E: a natural retinol payload

Cacay oil does not just mimic the retinol effect, it naturally contains retinol. HPLC analysis measured:

Vitamin A (Retinol): 343 mcg / 100 g (i.e. 1,142 IU/100 g of Vitamin A activity)
Vitamin E (Tocopherols): 85 mg / 100 g
Vitamin F (essential fatty acids): 77 g / 100 g

Compared to the two market references for botanical anti-aging oils:

Parameter	Cacay Oil	Rose Hip Oil	Argan Oil
Vitamin A (Retinol)	343 mcg / 100 g	125 mcg / 100	not detected
Vitamin E (Tocopherols)	85 mg / 100 g	n.d.	48 mg / 100 g
Linoleic acid (Omega 6)	74.8%	46.0%	33.0%
Linolenic acid (Omega 3)	2.1%	29.0%	0%
Oleic acid (Omega 9)	12.1%	16.0%	46.0%
Total essential fatty acids	76.9%	75.0%	33.0%

Quick read:

Cacay contains 2.7 times more Vitamin A than Rose Hip oil, the long-time historical reference for “natural retinol”.
Argan oil contains no detectable Vitamin A (natural retinol). Its anti-aging reputation rests on its Vitamin E content and its unsaponifiable fraction, not on a retinoid contribution.
Cacay contains +77% more Vitamin E than Argan.
Cacay’s linoleic acid profile (74.8%) is almost 2.3 times higher than Argan’s.

This authentic botanical retinol contribution mechanically explains the anti-aging results measured in clinical study: it is not only the fatty acids restoring the barrier, it is also a natural retinoid input documented by HPLC, which translates into the figures presented in section 4.

Cacay vs Bakuchiol vs Synthetic Retinol: the decision table

For a brand looking for an anti-aging active in 2026, here is how Cacay oil compares against the two market references. Both Bakuchiol and Cacay are naturally sourced. The difference lies in the nature of the active, the level of clinical evidence, and the sourcing.

Criterion	Cacay Oil	Bakuchiol	Synthetic Retinol
INCI	Caryodendron Orinocense Seed Oil	Bakuchiol (Psoralea corylifolia extract)	Retinol
Nature of the active	Whole botanical oil (natural retinol included)	Isolated molecule (mimics retinoid action)	Synthetic molecule
Primary mode of action	Linoleic acid supply + natural botanical retinol + tocopherols: ceramide synthesis + gentle retinoid activation	Retinoid receptor modulation (partial action)	Direct RAR/RXR activation
Typical use level	≥2 in emulsion · 100% in anhydrous serum · 5% in hair serum	0.5 to 1%	0.01 to 1%
Documented wrinkle reduction	Up to 45% (PRIMOS® 5.7 study, 28 days, 29 subjects, pure oil)	Comparable to 0.5% retinol (Dhaliwal et al., 2019, 44 subjects)	Market reference
Reported irritation	None (50-subject patch test including sensitive skin, eczema, allergic)	Mild to moderate depending on vehicle	Moderate to strong (peeling, erythema)
Photo-stability	Validated under UV-A (photo patch test), daytime use possible	Variable depending on vehicle	Photo-unstable, night use only
Sourcing	100% natural, wild + agroforestry, Amazon	Semi-synthetic common on the market	Synthetic
COSMOS / Nagoya	Compatible / Not applicable	Variable depending on process	Not applicable
Texture	Light, fast absorption, dry finish	Variable depending on vehicle	Variable

Unlike Bakuchiol, which acts as an isolated active, Cacay oil is a complete functional botanical oil. Its performance comes from its exceptional linoleic profile and its natural tocopherol (Vitamin E) and Vitamin A content, which also makes the “100% natural” claim simpler to support in finished formulations.

Anti-aging clinical evidence

A clinical study applied 100% pure Cacay oil twice daily for 28 days on 20 women aged 36 to 65 (average 47.5 years old). Measurements at D0, D14 and D28, 8 to 12 hours after the last application, on third-party instrumentation.

Methodology:

Measurement	Equipment
Wrinkle depth, surface and volume + skin smoothness/roughness	PRIMOS® 5.7
Firmness and elasticity	Cutometer
Hydration	Corneometer

Results on measured parameters:

Parameter	Average improvement	Peak observed
Wrinkle volume reduction	20%	45%
Hydration	23%	39%
Firmness	18%	41%
Smoothness	14%	30%
Elasticity	+10%	—

95% of participants observed wrinkle volume reduction after 28 days. That is a strong claim level for a pure botanical oil measured on independent instrumentation.

Documented safety:

Dermatological patch test on 50 subjects, including sensitive skin, eczema sufferers and allergic profiles. Result: zero irritation, zero reaction reported, classified as non-irritant.
Photo patch test under UV-A: non-reactive, validated for daytime use with no photo-toxicity.

This is where Cacay clearly differentiates from synthetic retinol (photo-unstable) and from Bakuchiol (variable photo-stability depending on vehicle).

Cacay vs Argan in haircare: the head-to-head

A second study compared two identical hair serums at equal dose, except for the oil incorporated at 5%: 5% Cacay versus 5% Argan (the haircare premium reference).

Methodology: Differential Scanning Calorimetry (DSC) on α-keratin from natural Caucasian hair, after a standardized thermal damage procedure (80 °C blow-drying + 230 °C flat ironing). Measurements on Hitachi High-Tech Sciences TA7000.

Parameter	Serum + 5% Cacay	Serum + 5% Argan
Thermal protection at 230 °C	49%	29%
Gloss vs shampoo only	+64% (×1.6)	+45% (×1.4)
Gloss vs placebo (oil-free serum)	+40% (×1.4)	+23% (×1.2)

At equal dose, Cacay outperforms Argan by +20 points on thermal protection and by +19 points on gloss (vs shampoo).

Formulation framework

To move from technical dossier to bench, here is the framework recommended by the most robust Cacay briefs:

Anti-aging skincare use level: ≥2 in oil-in-water emulsion ; 100% pure in anhydrous serum. That is also the concentration used to obtain the clinical results from the clinical study cited above. Brands typically adjust concentration depending on their target market and formulation strategy. In 2026 we are seeing increasing interest in high-percentage or hero ingredient formulations, the direction the most solid premium brands are clearly heading.
Format of choice: anhydrous facial serum, lip care, hero ingredient formulation (≥ 50% up to 100%), minimalist premium product. The non-greasy feel and fast absorption make Cacay particularly well-suited to a minimalist premium positioning: fewer ingredients, more measured primary active.
Haircare use level: 5% in serum or mask (use level validated in clinical study on thermal protection and gloss).
Incorporation phase: oil phase, cold or warm (≤ 50 °C) to preserve tocopherols and oxidative stability.
pH compatibility: broad (3.5 to 7.5), compatible with acidic aqueous actives such as ascorbyl glucoside, niacinamide, AHAs in emulsion.
Recommended synergies: Cupuaçu butter for hair masks (vegan lanolin alternative).
Oxidative stability: iodine index 120.5 to 166.4 = semi-drying oil.
Primegreen format: 100% pure unrefined · 30ml, 1L, 5L, 20L and more shipped within 48 to 72 h · EU stock available.

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Primegreen recommendation: a credible & defendable anti-aging positioning

Our recommendation, shared with the brands we work with closely: build a defendable positioning.

To do that, the technical narrative around a Cacay product should rest on 4 measurable, consistent elements:

The lipid profile, particularly its high content of linoleic acid (Omega 6).
Its role in supporting skin barrier function and overall skin condition.
Its lightweight, fast-absorbing sensorial profile, enabling daily use.
The overall quality of the raw material and its traceable sourcing.

Sourcing: from Colombian soil to the laboratory

Primegreen Cacay oil is wild harvested and grown in agroforestry by a Colombian partner selected after on-site auditing. Caryodendron Orinocense seeds are collected from the cacay tree, a native Amazonian species that produces naturally without synthetic inputs. Cold pressing happens close to harvest to preserve tocopherols and the integrity of the fatty acid profile.

The stock then arrives at our EU warehouse in Rotterdam.

Watch the sourcing video

Technical FAQ

What is the Vitamin A and Vitamin E content of Cacay oil?

343 mcg of natural retinol per 100 g (i.e. 1,142 IU/100 g of Vitamin A activity) and 85 mg of Vitamin E (tocopherols) per 100 g, measured by High-Performance Liquid Chromatography (HPLC). For comparison, Rose Hip oil contains 125 mcg/100 g of retinol and Argan oil contains no detectable retinol. On Vitamin E, Cacay holds 77% more than Argan (85 vs 48 mg/100 g).

At what use level should Cacay oil be incorporated in an anti-aging formulation?

≥2 in emulsion is enough to activate the barrier-repair effect through linoleic supply and the natural retinoid input. In pure facial serum, 100% is validated without irritation by 50-subject patch test. For a hair serum, 5% is the use level validated in clinical study on thermal protection and gloss.

Is Cacay oil photo-stable like a modern active?

Yes. The photo patch test under UV-A showed no reactivity. The oil is validated for daytime use, unlike synthetic retinol which remains photo-unstable and requires strictly nighttime application.

Can it be incorporated in a low-pH emulsion (vitamin C, AHAs)?

Yes. Cacay oil is compatible across a pH range of 3.5 to 7.5. It pairs well with ascorbyl glucoside, niacinamide and AHAs in the aqueous phase, provided the oil phase is incorporated cold or warm (≤ 50 °C).

Is Cacay oil COSMOS-approved?

The COSMOS raw material questionnaire is available from Primegreen, and the oil is compatible with COSMOS Natural certified formulations. Final product certification depends on the complete formula.

Does the Nagoya Protocol apply to this oil?

No. No genetic resources are extracted to produce this botanical oil. The Nagoya Protocol does not apply to this product.

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